作者:shanz il rosso 5 年以前
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So, if you remove methane gas or oil, it can have collapsing effects.
If you remove something from the layers the terrain is made of, the ground starts to collapse.
Sottoargomento
Parts of Mexico City is sinking by 30 cm per year because the population hasn't taken the problem seriously from the beginning.
They have a added pressure of increase flooding and sea level rise
They built seawalls but the increasing of flooding in coastal areas has already had devastating effects.