Use arrow keys to move the camera or activate the joystick from the menu.
You can zoom from the menu or press keyboard keys "Q" and "A".
To change the number of pieces select the horizontal and vertical amount from the menu and then press "Create".
Moonrise over the Sea, Caspar David Friedrich
Landscape with Aeneas at Delos, Claude Lorrain
Francesco Maria II della Rovere, Federico Barocci
The miller, his son and the donkey, Honoré Daumier