This old building is in one of the countries of Europe. It’s not a natural object. It 1_______ \(to make\) by man a long time ago.Now it 2____________ \(to see\) as a tourist attraction. It’s a famous old building. It 3__________ \(not to build\) by the Romans. Galileo, the famous scientist, dropped heavy objects from this building to make his experiments. The upper floor 4 ___________ \(to complete\) in 1319. It 5_________ \(to build\) by Tommaso Pisano. The largest bell of the building 6 ____________ \(to install\) in 1655. The bell-chamber 7___________ \(to add\) in 1372.