Circular ground plan

Pisa (Italy)

Nikon D800
AF Fisheye Nikkor 16mm f/2.8D

Interior view of the Baptistery, which started construction in 1152 and completed in 1363. The structure (54.86 m high, with a circumference of 107.24 m, the largest baptistry in Italy) was constructed on the same unstable sand as the tower and cathedral, and leans 0.6 degrees toward the cathedral.