This is the world deepest underground metro station in china the depth is more than 40 storey buildings

This is the world deepest underground metro station in china the depth is more than 40 storey buildings

Let us tell you that there are metro rail systems in more than 190 cities in the world. However, at some places they are known as subway, U-ban or underground train. But most metros are similar in appearance. The London Metro is the oldest metro rail system in the world. It was started for the people in 1863. You must have traveled in the metro rail present in different cities of India. Metro runs underground in many countries including the capital Delhi. By metro train, the passenger reaches his destination…

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