MEXICO CITY ’ S SINKING CATHEDRAL. By Aaron Alarcon Jinghong Li. The cathedral has been sinking since the day it was built almost 500 years ago. . How much the cathedral has sunk?. This pendulum is inside the Cathedral , which should be centred in the middle of the square.
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This pendulum is inside the Cathedral, which should be centred in the middle of the square.
It shows us how much the cathedral has sunk. This cathedral was actually worse a few decades ago.
Why is Mexico city’s cathedral sinking?
Irregular and gradual sinking of many buildings, such as cathedral.
Water demand increases as population increase. So much water has been pumped out from the aquifer beneath it to satisfy the metropolitan area's 18 0,000,000 residents that the ground is collapsing underfoot at a stunningrate.
Water pump from auqifer