China Trains: There are many such things in the world, which are difficult to believe after seeing them. There are many such things from hundreds of years ago, seeing which even the engineers of the modern era start thinking. Apart from the Egyptian pyramids and the Leaning Tower of Pisa, many such constructions have been done in the modern era as well. Somewhere engineers have built an upside-down building and somewhere they have built a hotel hundreds of feet below the sea. China is far ahead in doing such feats.…
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