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".
The Virgin and Child with St. Anne, Leonardo da Vinci
Landscape with St. Christopher, Joachim Patinir
Shipwreck on the Norwegian Coast, Johan Christian Dahl
Coronation of Tsar Nicholas II of Russia, Valentin Serov