The largest drain in the world. Huge engineering knowledge.
How come if we already know that 1. the city is sinking, 2. the huge amount of resources go to construct the sewage tunnel to take them out – why not recicle water? 3. if we construct 16 reciclying plants AT LEAST it will help control more future problems than just disposing them to the sea and polluting
Very amusing idea
It — is improbable!
It seems, it will approach.
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