How The Heck Does This Magical Tile Board Work?

This board of tiles, or Azulejos which is a form of Portugese artwork that involves tilework, is making my brain lose its gray matter. The tile board somehow maintains the same number of tiles even when some individual tiles are removed. How did all the tiles fit in the first place? How does it still fit after getting rid of three tiles? Where is the missing square? What sorcery is this? More »