Tokyo is the biggest metropolis in the world and lying deep in the earth is an incredible feat of engineering, protecting the city from untold damages due to flooding.

Unknown to many, the G-CANS and facility (also referred to as the Underground Temple) is a colossal drainage system that can divert the potentially devastating amount of floodwater, safely away from the capital.

Find out more details on our website:
https://ryutokyo.com/underground-temp...

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