#4
Tower of Pisa
።Italy
Architect
° Bonanno Pisano
Head engineer
° Bonanno Pisano
Constructed
° Construction began on the tower in 1173 and after almost 200 years, it was completed in 1372.
Facts
° Why was the Leaning Tower of Pisa built?
Construction of the Leaning Tower of Pisa began in 1173 as the third and final structure of the city of Pisa's cathedral complex. In particular, it was built to serve as the complex's bell tower.
° how much does it lean every year?
After a stabilization project, begun in 1990, reduced the quirky monument's dangerous lean by a full 15 inches, the tower has straightened itself out by an additional 1.6 inches since 2001. It still oscillates 0.02 inches over the course of each year, though, the latest results revealed.
Tower of Pisa
።Italy
Architect
° Bonanno Pisano
Head engineer
° Bonanno Pisano
Constructed
° Construction began on the tower in 1173 and after almost 200 years, it was completed in 1372.
Facts
° Why was the Leaning Tower of Pisa built?
Construction of the Leaning Tower of Pisa began in 1173 as the third and final structure of the city of Pisa's cathedral complex. In particular, it was built to serve as the complex's bell tower.
° how much does it lean every year?
After a stabilization project, begun in 1990, reduced the quirky monument's dangerous lean by a full 15 inches, the tower has straightened itself out by an additional 1.6 inches since 2001. It still oscillates 0.02 inches over the course of each year, though, the latest results revealed.