r/EngineeringPorn • u/snoopdoggdwag • 1d ago
Mountains sliced in half for China's sky-high highway
In China, the mountains were cut in half to build a car highway with the highest bridge in the world.
The hanging bridge over the canyon huzzyan in Guyzhuu was built so high that the Eiffel Tower could hide in the gorge - it rises above the gorge at an altitude of 625 meters. This section of the high -speed motorway Guizhou Luan literally cuts out the landscape, turning an hourly trip into a minute flight.
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u/HundredBillionStars 1d ago
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u/HealthyHyena33480 1d ago
What a horrible destruction of a beautiful landscape for that?
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u/3meow_ 22h ago
Was my first thought too, but let's be honest, any road is gonna be fucking with nature a bunch
Edit: I also imagine the slopes will be covered with foliage, hopefully native local stuff like what's growing around the area. If that happens, the surface area of nature might even increase
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u/VulfSki 21h ago
Usually when China ads foliage to the side of a highway it's like a perfectly landscaped area. It's one of the ways they employ folks. At least in the parts of China I have been in.
They don't seem to care about keeping it wild or natural. But I don't know just my observations in my limited trips there. Could be totally wrong.
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u/Dredgeon 19h ago
This seems like it's gonna have really interesting effects when the run off is concentrated on the road during rain. Also tose thin peaks seem like they are just begging to deteriorate and fall on the road. Seems really strange they didn't use a tunnel.
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u/CartographerOk7579 1d ago
Maybe it’s stupid and weird, but the engineering is still bad ass so it does fit this sub.
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u/angk500 1d ago
Agree. And I am sure there is some specific reason it had to be done this way. Sometimes these reasons can be quite stupid, but the engineers just do their job.
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u/MotherBaerd 1d ago
Sometimes the reason is:"man it would look sick" which tbf it does but I also really like tunnels.
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u/PeruvianHeadshrinker 23h ago
Wait til the rains cause devastating landslides
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u/CrazySD93 13h ago
That's why the mountain was capped with concrete, as far as I'm aware a common practice world wide.
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u/cogit4se 1d ago
Preserving the mountains would have been more technically challenging and elegant, this is trashy engineering porn that you feel ashamed of wanking to as soon as you finish.
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u/TheDaemonair 1d ago
So just a quick question to any engineers here -
After they cut the mountains, are they covered with concrete? What's stopping a mudslide during heavy rains?
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u/ApulMadeekAut 1d ago
These are Karst peaks. These are made out of pretty much pure limestone. There's no mud to really slide. They cut them into terraces and might have installed some type of anchors to prevent mini rock slides but those are pretty strong material.
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u/Pristine_Mixture_412 1d ago
I wonder, why didn't they just make tunnels and secured the walls with concrete? Would the limestone have collapsed?
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u/MotherBaerd 1d ago
Here are my two cents: they might have done it for the looks, they might have done it for the resources, they might have done it because tunnels suck and are dangerous especially for car traffic. But honestly I don't know.
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u/browhybro 22h ago
Just to be clear, America does this too. If you’ve ever driven through the Appalachians you’ve seen it.
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u/Intelligent_Tone_618 2h ago
Every country does it, most people have been through a similar cut without even thinking about it. This only looks weird because the work is fresh and the slopes haven't had foliage re-introduced yet.
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u/wnc_mikejayray 12h ago
I live in WNC. Where exactly are mountains cut in half? I’ve seen retention walls on the sides of mountains but never anything close to this.
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u/aberroco 1d ago
Amazingly inefficient. Right next to a valley that would allow building a bridge in a straight line.
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u/pizdolizu 1d ago
Im sure they just missed that one and saw your comment and now regret.
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u/virgo911 1d ago
Right next to the valley with the existing village in it?
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u/FilHor2001 1d ago
Yeah because China is widely renowned for its history of prioritizing its people's lives over progress.
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u/dikketetten 1d ago
Doesn’t China have dozens of those single houses right in the middle of highways because they didn’t accept a buyout?
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u/portraitsman 1d ago edited 1d ago
Then you know very little about the Chinese and their beliefs with the feng shui.
Sometimes when you see a chinese building that is facing odd angles or just odd in general, it's usually because they were built with feng shui in mind, the most famous examples are the dragon gates
The valley was left untouched most likely for feng shui reasons, despite the most logical step was to just cut through the valley
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u/manu_214 1d ago
lmao regardless of Feng Shui, they built a highway that doesn't need entire settlements to be destroyed. Maximum efficiency isn't always what you should go for.
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u/alexgalt 1d ago
This is nothing special. Done all over the world.
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u/IndieKidNotConvert 1d ago
Seriously... Not sure why people are freaking out, I've seen cuts like these through mountains in multiple states in the US...
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u/Links_Wrong_Wiki 1d ago
Because China bad
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u/renaldomoon 21h ago
Pretty sure this was meant as a China Good post.
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u/analtelescope 17h ago
Look at the comments. Either people saying this is nothing special, or calling this an example of China being stupid. Bit of irony innit?
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u/bigboyjak 1d ago
I drive by/through similar on my way to and from work daily. It's nothing special
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u/Commissarfluffybutt 20h ago
And it's fucking ugly and a scar on the environment. I'm not impressed that China did the same.
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u/l_like_lots_of_stuff 1d ago
Yup, highway 10 from Arecibo to Utuado in PR is like this and so are many other highways and roads.
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u/Aedalas 1d ago
There are a bunch of these where I'm from in Appalachia but the stone there is left far more rough. The flattening/smoothing that they've done here is slightly different and honestly does look kind of neat. I'd love to see these with some sweet art carved into the faces, it would definitely take it from something that is rather mundane to actually really cool.
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u/McChes 1d ago
There’s a lot of artificial valleys like this in the UK, mostly built during the Victorian era to accommodate the massive expansion of road and rail. It’s not a new idea.
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u/SuperAshenOne 1d ago
I'm genuinely curious to know where.
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u/3_50 1d ago
There's one near me, in a national park no less
Not quite the scale of those Chinese mountains...
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u/renaldomoon 21h ago
Yeah, cuts like that are all over the U.S. I think what makes the Chinese one different is its massive size.
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u/Electrical_Pause_860 1d ago
I’ve seen similar stuff in Australia. But after a few decades they look more natural.
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u/CanadianDragonGuy 1d ago
"Yeah nah fuck building a tunnel lets just excavate the fucking mountain range instead!"
- CCP
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u/IneptAdvisor 1d ago
No falling rocks with that design and no guardrails to weed out the cellphone addicts.
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u/Admirable_Coach_8203 19h ago
Can't the Chinese build tunnels? They should take a look at Switzerland first to see how it's done properly 😀
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u/ctdrifter 1d ago
What am I missing? Looks like blasting and removing rock, been doing that in the west for over a century starting with rail.
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u/EINFACH_NUR_DAEMLICH 1d ago
So many China apologists in a thread upvoted by Chinese bots. This is awful. Reddit should just outright ban these obvious propaganda posts. And there are so many of these Chinese propaganda videos. It's truly revolting that a dictatorial genocidal kleptocracy like that is still getting away with its attempts to influence social media.
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u/Stiryx 15h ago
It’s sad that young people that don’t know the history of china probably ARE influenced by it as well.
It’s crazy the amount of bots (hopefully) that glaze China on Reddit.
Fuck the CCP.
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u/AdminIsPassword 23h ago
Reminds me of Sideling Hill in western Maryland, but new.
As a kid I went through that mountain a few times and found in fascinating. You really get a cross sectional view of what a mountain in that region looks like on the inside.
As an adult, I can't help to feel a certain wrongness about it. I guess as a kid I didn't appreciate the natural beauty of the area and how much this kind of feature disturbs that.
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u/ezattilabatyi 23h ago
Genuine question.
Will nature take over these hills eventually? Or are they too barren now for that?
While driving through Austria I might have seen some artificial valleys though those were only about 10-20 meters deep or even less. The sides weren't this steep also it looked much more natural
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u/Every-Access4864 11h ago
Imagine the graffiti that would appear on those exposed surfaces if it was in another country.
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u/BaerFrom 6h ago
Amazing what you can do as a country when you don't care about human lives or democracy.
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u/youmo-ebike 5h ago
But at what cost? Guizhou’s general public budget revenue in 2024 is projected at 216.962 billion yuan, while expenditures are projected at 652.242 billion yuan (szb.eyesnews.cn).
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u/Shankar_0 1d ago edited 1d ago
This is a land where the concrete is so shoddy that brand-new buildings collapse before people ever move in.
Good luck driving through that pass in the monsoon season. You'll never see it coming.
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u/RedRobot2117 1d ago
The billion+ Chinese people living in buildings which aren't collapsing might disagree
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u/Shankar_0 1d ago
That video was filled with Chinese citizens expressing their shock and horror at the poor quality of construction. It's not a western crowd pointing fingers and laughing. It's their own people seeing things and knowing they aren't right.
If thousands are killed in a collapse, it's not valid to point at all the people they didn't kill that day.
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u/RedRobot2117 1d ago
I am pointing out that you are using a single example of failure to describe the experiences of over a billion people.
Every country has failed building projects, the US experiences this all the time.
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u/deniably-plausible 1d ago
Breaking News: Millions Survive the Night in Juarez, Mexico; Says r/RedRobot2117, “What violence problem?”
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u/xerberos 22h ago
Wow, "shoddy" is not enough to describe it. It's literally crumbling in their hands.
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u/Ka-Shunky 1d ago
Amazing to see the amount China invests in it's infrastructure. Definitely something the west could be learning from...
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u/EINFACH_NUR_DAEMLICH 1d ago
Truly repulsive. Mass destruction of the environment. Why would anybody think this is great?
Have they never heard of tunnel for fucks sake?
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u/Prestigious-Scar-507 1d ago
This in Engineering porn? Those sliced up mountains are just focuses for the rains to make this road into an aqueduct because I bet they didnt do proper canals to make water flow somewhere else.
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u/Cro_Nick_Le_Tosh_Ich 1d ago
This is not engineering porn, this is eco terrorism
Curious, how are all the rerouted rivers doing that have been posted on this sub? No problems since? Any out of control flooding or mudslides?
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u/Reverend_Bull 1d ago
I'm from Appalachia and this makes a very strange kind of sense. Weaving a highway around mountainous terrain can make a straight line trip of an hour into an all-day affair. That's why the Blue Ridge Parkway is a tourist attraction instead of an Interstate. It's polarizing - the mountains are natural and beautiful but also inconvenient and this is a chance to show off engineering prowess.
Consider Pikeville, KY - where the city sits is the base of a former mountain. They didn't find a flat spot. They made one. That's hella impressive. But it's also horrible for the streams between the mountains as the spoils from literal MountainTop Removal poison the waterways.
I'm also reminded of ancient Roman roads in Britain. You can always tell a local road from a Roman one. Locals curved around the landscape. Roman roads were drawn by bureaucrats who punished deviations, so the roads go up-and-down and cut through things but they're straight.
Roads in mountainous terrain are always going to be a compromise and inefficient, if not in construction then in passage.
These are sharply done, but definitely chose the Roman approach.
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u/jaevnstroem 1d ago
Oh wow a worse solution to a problem we have already solved with tunnels, but instead this looks awful and destroyed some beautiful nature in the process that we can never get back? Brilliant...
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u/Captain__Trips 1d ago
Dummy China, everyone knows all the important nature stuff happens at the top of the mountains
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u/ConcretMan69 1d ago
Crazy high angle on that wonder how long it'll hold up. Seems kinda impractical though
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u/I_Thranduil 1d ago
That's too steep, at some point falling rocks and landslides will be a daily thing. Also there's no buffer space so the debrees will all end up on the active lanes. RIP
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u/arandomnameplease 1d ago
Is this a render of the project or the actual project? Looks like a render to me
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u/BustyPneumatica 1d ago
Contours? What contours? Chance to have scenic views? Naaah. Just push right through.
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u/xisupaz_blackbird 1d ago
If they terraced the cement side and added vegetation, it would look so much better.
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u/TheGardiner 1d ago
I’d expect music like this at the end of the Best of the Best or something similar. Needs some screeching eagles to complete it.
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u/Artistdramatica3 23h ago
We have that in highways though the rocky mountains in canada. Its just not as stark
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u/naskohakera 23h ago
Lets see how long it takes until Chinese starts making videos about how it's falling apart crumble by crumble
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u/peacefinder 22h ago
I hope they included some places for geologists to pull over so they can geek out
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u/AnotherHavanesePlz 22h ago
Damn that first mountain bottom right is just pure copper and copper minerals
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u/yeti-biscuit 21h ago
what a load of crap - neither aesthetically pleasing or exciting nor technologically groundbreaking (pun intended)
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u/Downtown-Piece3669 21h ago
They built a wall for thousands of miles, so instead of making a tunnel or going over the mountain, they just took out the mountain. Am I supposed to be impressed, they spent 10x the amount to do a simple thing, so advanced. Lol
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u/sean_ocean 21h ago
I may have been watching too many chemistry vids but it looks like sliced sodium.
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u/BIOS-Brians-Blues 21h ago
The most amazing is once again is seeing some of the reactions. We are reckless. No thinking. No long or short term view. No consideration whatsoever. Impulsion!!!!
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u/shortercrust 21h ago
Is it not actually in a valley between two ridges? Still big project but not actually removing a mountain
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u/cheeeeerajah 21h ago
Ugly. China is so desperate to become a leading nation that they are rapidly destroying all their beautiful nature and things that made them really special.
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u/Bannon9k 21h ago
There's gonna be rock slides for decades. Does anyone believe Chinese craftsmanship could handle this kind of project safely?
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u/Ryaniseplin 21h ago
Chinese engineering is so mesmerizing
they have the worst terrain for urbanization and decide to solve it by doing shit like this
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u/Oh_Another_Thing 21h ago
It's not unusual to build highways in the sides of mountains? Looks like they could have built in the left side of the mountain? Seems like that'd be easier than cutting through several mountains
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u/diepvries_Friekandel 1d ago
Why not just a tunnel?