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Underground structures of the world

5 interesting facts about the underground buildings of the world

1. The first underpass for pedestrians was built in Babylon

The history of the underground tunnels on which the people could, without danger to life to move in the right direction, has not even one thousand years. According to the researchers of the ancient world, the first crossing was built in 2180 BC in the Babylonian Kingdom by order of Queen Semiramis.

The transition took place under the river Euphrates, and for its time it was quite a large building: the length of the crossing together with approach slopes was about eight or nine hundred meters.

Since then, located in the bowels of the earth transitional pedestrian crossings for people have become commonplace. Pedestrian tunnels appeared under many major rivers, for example, under the London Thames: famous Greenwich tunnel, which is based on cast-iron pipe of three hundred and seventy meters, leads to Dog island at a depth of about fifteen meters. And two years ago in the vastness of Kenya appeared first underpass for elephants: now African animals can easily cross the busy road.

2. The world’s first underground bike Parking in Japan

Underground Parking for cars in the world, where the shortage of urban space is felt particularly acutely, have long moved from the category of luxury to the category of need. Continue reading

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