Hello everyone!!
The world heritage I'd like to see "Duomi open space of Pisa."
Especially I  interested in "Leaning Tower of Pisa."

Leaning Tower of Pisa is a bell tower of Grand Cathedral of Pisa in Pisa City, Italy, and a world heritage is a tourist attraction constituting "a duomi open space of Pisa"

I go to Leaning Tower of Pisa sometime and want to check whether a tower is really diagonal.

Thank you for reading.