Amazing click of Pisa, Italy



Elevation of Piazza del Duomo: about 2 metres (6 feet, DMS)
Height from the ground floor: 55.863 metres (183 ft 3 in), 8 stories
Height from the foundation floor: 58.36 metres (191 ft 47 in)
Outer diameter of base: 15.484 metres (50 ft 9.6 in)
Inner diameter of base: 7.368 metres (24 ft 2.1 in)
Angle of slant: 3.97 degrees or 3.9 metres (12 ft 10 in) from the vertical
Weight: 14,700 metric tons (16,200 short tons)
Thickness of walls at the base: 2.4 metres (7 ft 10 in)


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