white house

Facts

How Long Did It Take To Build Five Famous Monuments

1. Leaning Tower Of Pisa, Italy via – lifeand100books via – Wonderopolis Bonanno Pisano is the architect of one of the famous monuments- Leaning Tower of Pisa. Located in Italy, this tower was originally meant to stand straight but it ended up leaning at about 3.99 degrees. The construction work started in the year 1172 and it took whooping 199 years…