San Francisco Skyscraper Is Sinking, Satellite Images Show

San Francisco's Millennium Tower skyscraper is subtly sinking by a few centimeters a year, according to measurements taken from the European Space Agency's (ESA) twin Copernicus Sentinel-1 satellites. The 58-story Millennium Tower — also called the leaning tower of San Francisco — opened its doors in 2009, and has recently shown signs of sinking and tilting. While researchers have not yet determined why the Millennium Tower is sinking, "it is believed that the movements are connected