You can change the number of pieces here (5-1200).
The Neretva river has been dividing Mostar for centuries, into a Christian and Muslem part. Now we are here ourselves, we can't imagine there has ever been a civil war just a couple of years ago.
When you don't see the puzzle, it is possible that we haven't uploaded it to our new puzzlehost yet.
Read here why the puzzles look different and which problems there can be