Photo Guess - 500px & flickr

Enjoy newest popular photos from 500px or flickr while playing simple photo guessing games!There are 5 games:1. Part ofSmall distinctive rectangular part is taken from one of the 4 suggested photos. Guess to which photo it belongs. 2. Where is itSmall distinctive rectangular part is taken from the displayed photo. Find approximate area where this part belongs.3. Which photoChoose photo with a given title.4. Which titleChoose title for given photo.5. Common tagWhich tag is common to all 4 photos?