In recent times, camera use has exploded, and for two very obvious reasons. Firstly, we travel more. Secondly, most mobile phones have a camera. Now, there are times when you travel, that the most interesting thing around is the other tourists. So, here we have a selection of snappers from all around the world. We've all done it. We all know the behaviour. So in a way, this is a gallery about all of us when we go anywhere.