Coit Tower is a 210-foot tall fire hose nozzle shaped observation tower that stands on San Francisco's Telegraph Hill. Completed in 1933, Coit Tower is an unpainted reinforced concrete structure and has no windows.
60 years after people the murals inside the tower have chipped and faded away, and outside the tower, the statue of Christopher Columbus is covered in greenery.
300 years after people Coit Tower is one of the last surviving structures in San Francisco, but after decades of rain and fog, cracks appeared in the concrete. As a result, the steel frame is weaken by corrosion, and the tower eventually collapses, destroying the statue of Columbus in the process.