Enlarge / Lower Manhattan and One World Trade Center in New York City are reflected on a monument as the sun rises on December 22, 2023, as seen from Jersey City, New Jersey. Gary Hershorn / Getty Images
Unless you’re sinking into quicksand, you might assume that the land beneath your feet is solid and unmoving. In actual fact, your part of the world may well be undergoing “subsidence,” which is where the ground collapses as sediments settle or when people over-extract groundwater. New York City is sinking, too, due to the weight of all those buildings pushing on the
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