Four surprising things I found in Florence

Even though I consider Florence as the least well-known city that we visited in Italy when you compare it with Rome and Venice, I found many more interesting things about Florence than other places. It may also be that I did not know much about the city, so everything is surprising to me. And I would recommend anyone to visit Florence if you have a chance to come to Italy. 
1. Lots of places about Galileo 

Museo Galileo, Florence, Italy