Unfortunately our old puzzle script stopped working and we have to move all 1800 puzzles elsewhere. We can only upload 99 imags to teh new host, so it can take a few weeks before they all work again, ou apologies.
Casa Mila has an undulating facade which was unusual in Barcelona (or anywhere else) in the beginning of the 19th century, when it was designed and build by the famous architect Antoni Gaudi. Soon the building got the nickname La Pedrera, the stone quarry, since people found it looked like that.
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