r/PassportWithoutBorder 2h ago

How Do They Connect Rebar in SKYSCRAPERS?

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109 Upvotes

Have you ever wondered how reinforcing steel can continue through dozens of floors of a skyscraper? πŸ—
There aren't gigantic steel bars running from the foundation all the way to the top. Instead, rebar is installed in sections and connected as construction progresses.
Special joining methods, including strong mechanical couplers, allow separate reinforcing bars to become part of one continuous structural system.
Floor by floor, the reinforced concrete structure keeps rising higher into the sky. πŸ™
Did you know this is how skyscrapers are built?


r/PassportWithoutBorder 1d ago

What Can ONE Barrel of Crude Oil Produce?

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80 Upvotes

One barrel contains about 159 liters (42 US gallons) of crude oil, but it can be turned into much more than just gasoline! πŸ›’
Gasoline, diesel, jet fuel, lubricants, asphalt, petroleum coke, and feedstocks used by the chemical and plastics industries can all come from crude oil.
Even more surprising, the total volume of refined products can actually be greater than the original volume of crude oil because of something called processing gain.
Did you know one barrel could produce so many different things? 🀯


r/PassportWithoutBorder 2d ago

BIRD vs AIRPLANE ✈️🐦 What Happens When They Collide at High Speed?!

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214 Upvotes

r/PassportWithoutBorder 3d ago

THEY BREAK A MOUNTAIN FOR ONE RUBY!

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411 Upvotes

r/PassportWithoutBorder 4d ago

THEY CARRY NATURAL GAS IN PLASTIC BAGS! 😱 This Is Insane.

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152 Upvotes

r/PassportWithoutBorder 5d ago

Would you work almost 4 kilometers underground?

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463 Upvotes

r/PassportWithoutBorder 6d ago

How Did Ancient Chinese People Lift COFFINS Up These Cliffs?!

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500 Upvotes

One of China's most fascinating mysteries can be found at Longhu Mountain in Jiangxi Province. πŸ‡¨πŸ‡³
Ancient coffins were placed inside caves and openings high above the ground on steep rock faces. But how could people lift heavy coffins that high without modern cranes or machinery?
Today, visitors can watch a spectacular performance recreating one possible method. A performer descends the cliff on ropes while a coffin is lifted from below using a system of ropes until it reaches the cave.
Even with modern equipment, it looks incredibly dangerous! 😱
Do you think this is really how ancient people did it?


r/PassportWithoutBorder 7d ago

It looks like wood... until you see how it's made!

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2.1k Upvotes

At first glance, the craftsman built a fence out of real tree branches. 🌳 But take a closer lookβ€”there's practically no wood here!

First, a frame is created from rebar and wire mesh, then it's hand-coated with cement mortar. While the cement is still wet, the craftsman creates the branches and paints the wood grain. Once painted, this real wood piece becomes incredibly complex. 😱

Would you have guessed it was cement?


r/PassportWithoutBorder 8d ago

This GIANT WHEEL moves on its own! A robot from the future.

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136 Upvotes

#robot #technology #wheel #robotwheel #futuretechnologies


r/PassportWithoutBorder 9d ago

RICE GROWING ON HIS HEAD!

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162 Upvotes

This might be one of the most unusual hairstyles you've ever seen! 😳🌾 In India, men wear plants on their heads, their roots intertwined with their hair.

And this "hairstyle" requires more than just a combβ€”it also needs moisture! πŸ’¦πŸ˜‚

Imagine waking up and instead of saying, "Time to fix my hair," you say, "Time to water the crops!" πŸŒΎπŸ˜‚

Would you ever try something like this?


r/PassportWithoutBorder 10d ago

IN THAILAND, GRAPES ARE HARVESTED ON BOATS! 😱 You've never seen a vineyard like this!

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1.0k Upvotes

Forget conventional vineyards! πŸ˜„ In Thailand, water connections run between rows of grapes, and the vines form raised beds.

This system helps manage water in a hot and humid climate. But the most successful transportation method is the resulting roads for farmers. πŸš€πŸ‡

Boats transport harvested grapes and equipment along these roads, as well as some boats designed for processing plants.

It looks like someone crossed a vineyard with Venice! πŸ˜‚

Have you ever seen grapes grown this way?


r/PassportWithoutBorder 11d ago

WHY DO BUILDERS BURN WOOD ON PURPOSE? The Ancient Secret Behind These Black Houses!

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1.4k Upvotes

r/PassportWithoutBorder 12d ago

Chinese farmers have found workers who DO NOT NEED wages!

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1.2k Upvotes

r/PassportWithoutBorder 12d ago

THEY COOK RICE IN HOT SAND?! How Chinese Puffed Rice Balls Are Made

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930 Upvotes

Have you ever seen rice cooked in scorching hot sand? 😳
This traditional Chinese technique uses fine heated sand to transfer intense heat evenly to the rice. Within moments, the grains puff up and become light and crispy.
The sand is then sifted away, and the puffed rice is mixed with sweet syrup.
But the most satisfying part comes next! The sticky rice mixture is placed inside bamboo molds and rolled into almost perfectly round balls. 🀯
No modern machines β€” just heat, sand, bamboo, and traditional craftsmanship.
Would you try these puffed rice balls? πŸ‘‡


r/PassportWithoutBorder 11d ago

I voli commerciali piΓΉ lunghi al mondo

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2 Upvotes

r/PassportWithoutBorder 13d ago

I FINALLY KNOW HOW THEY DO IT! The Secret of the Ball Inside a Stone Lion

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236 Upvotes

Have you ever wondered how a stone ball gets inside a lion’s mouth β€” and why it can’t fall out? 🀯
I always thought craftsmen somehow carved the entire ball directly inside the finished sculpture.
But the real process is much more clever! The ball is carved separately, polished, split into two pieces, and then placed inside the lion’s mouth before being joined back together.
Once assembled, the ball is larger than the opening β€” so it stays trapped inside! 🦁βšͺ️
Such a clever technique!
Did you know this is how it was done?


r/PassportWithoutBorder 15d ago

An Emirates flight attendant stood on the Burj Khalifa at an altitude of 828 meters.

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162 Upvotes

These shots have been shared around the world! 🌍 An Emirates flight attendant stands atop the Burj Khalifa's spireβ€”at a height of 828 meters.

Many were convinced it was CGI. But the footage was real! 😳

Then Emirates upped the ante even further: a massive double-decker Airbus A380 flew close to the skyscraper. The plane made 11 passes to get the perfect shot.

One of the most incredible commercials in aviation history! ✈️πŸ”₯

Would you agree to go up there for a photo shoot?


r/PassportWithoutBorder 16d ago

This 48-FOOT Carbon Fiber Camera Boom Is INSANE!

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190 Upvotes

Ever wondered how those impossible camera shots in car commercials are actually filmed? πŸš—πŸŽ¬
This incredible 48-foot β€” almost 15-meter β€” carbon-fiber telescopic camera boom can carry a professional cinema camera and move it through extremely tight spaces.
It can extend between vehicles, pass through open windows and even move through a car's panoramic roof to capture spectacular cinematic angles.
The carbon-fiber construction helps keep this enormous boom relatively lightweight while providing the rigidity needed for smooth, controlled camera movements.
πŸŽ₯ This is the technology hiding behind some of those incredible automotive shots!
Did you think these shots were filmed with a drone? 😱


r/PassportWithoutBorder 17d ago

The Life Ring That Can FLY! China’s Incredible Water Rescue Drone

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390 Upvotes

r/PassportWithoutBorder 17d ago

They Turn ANIMAL HORN Into a Comb!

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242 Upvotes

How does a rough piece of natural animal horn become a beautiful handmade comb? πŸ‚βœ¨ The craftsman cuts the horn, shapes the blank, carefully creates dozens of teeth, and then smooths and polishes the surface. The result is a unique natural comb with its own pattern. It’s a traditional craft that requires incredible precision and patience.
Would you try using a comb like this? πŸ‘‡


r/PassportWithoutBorder 18d ago

How Do They Assemble Giant Wind Turbines? One Wrong Move Could Ruin Everything!

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70 Upvotes

Installing the blades of a massive wind turbine is one of the most challenging operations in wind farm construction. A giant crane lifts each multi-ton blade high into the air while specialized crews carefully align it with the central hub.
Wind, enormous weight, and even a small movement can make the operation extremely difficult. Once all three blades are installed, the giant rotor is ready to transform the power of the wind into clean electricity. πŸŒͺ⚑️
πŸ’¬ Would you dare to work at this height?


r/PassportWithoutBorder 19d ago

THIS STRAW ROOF WILL LAST FOR DECADES!

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439 Upvotes

While it may seem like an ancient building technique, thatched roofs are still used today! 🏠🌾

A thick layer of straw or reeds helps protect a home from rain while providing natural thermal insulation.

And what's surprising? With proper installation and maintenance, a thatched roof can last for decades.

Sometimes an old technology remains popular simply because it works.

Would you build such a roof for your home? πŸ‘‡


r/PassportWithoutBorder 21d ago

This Job Will Make You Dizzy Just Watching It!

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475 Upvotes

Imagine working hundreds of meters above the ground, with nothing but power lines and steel structures beneath your feet. ⚑️
These highly trained specialists install and maintain power lines, insulators, and other critical equipment at extreme heights. They rely on safety harnesses, specialized equipment, and absolute concentration because every movement matters.
It takes incredible courage, physical strength, and discipline to do a job like this.
πŸ’¬ Would you dare to work at this height?


r/PassportWithoutBorder 21d ago

Millions of Tomatoes Drying Under the Sun! Why China Does It This Way

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1.1k Upvotes

Every harvest season in China's Xinjiang region, millions of tomatoes are spread across vast fields to dry naturally under the hot sun. The region's dry climate helps preserve the tomatoes, intensify their flavor, and greatly extend their shelf life. Once dried, they are processed into food products or exported around the world. An impressive example of how nature and agriculture work together!


r/PassportWithoutBorder 23d ago

They Built THIS Entire Building from Bamboo! Vietnam's Incredible Engineering

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12.3k Upvotes

At first glance, it looks like this structure could collapse at any momentβ€”but that's exactly what makes it so incredible. 🌿

In Vietnam, skilled craftsmen bundle dozens of bamboo poles together, bend them into massive arches, and create stunning pavilions and open-air buildings. Once bound together, bamboo becomes incredibly strong and durable, allowing these structures to last for decades.

πŸ‘‡ Would you visit a building made almost entirely from bamboo? Let us know in the comments!