There are many such great examples of engineering around the world, which are hard to believe. It seems as if people from another planet built them. Apart from the pyramids of Egypt to the Leaning Tower of Pisa, in the modern era, engineers have built an upside down building somewhere, and somewhere there is a luxury hotel hundreds of feet below the sea. China is at the forefront in this matter. There, the biggest buildings are constructed within a few hours. But today we are going to tell you about…
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