Basilica di Santa Maria del Fiore (Florence Cathedral)
I forgot the name of this square (or if it has one). But it's behind the Florence Cathedral.
Arno River. It was rainy when I was there, and the water seemed very yellow.
View from the top of Giardini di Boboli (Boboli Gardens) - my favorite place in Florence.
I don't know them but I love this photo.
Lastly, I have to say traveling alone sucks, because no one can take any picture of you and you can never act naturally in front of a strange tourist. I had to put down my iphone on a stone and quickly ran to the other side of the street and then act like I'm just walking casually on a Sunday afternoon. The result was okay but I did get lots of weird stares...