But in case you're not exactly sure of what to say, here are some guidelines - can't wait to read you :-)
1) Have a guess even if you have no idea - be funny if you like :-)
2) Keep commenting even if the answer becomes clear
3) Discuss the history or topic raised in the photo
4) Add any more interesting info you may have and ask for info too
5) Share all your big love for this wonderful city!
6) Wallow in glory if you were among those who got it right
7) Spread the word about the Paris Photo Quiz for me, please :-D