1. David and Goliath, by Michelangelo Merisi da Caravaggio (1597-1598)

2. Flight of Wizards, by Franciscus Goya (1797-1798)

3. Presage of Civil War. Soft construction with boiled beans,

by Salvador Dalì (1936)

4. L’Ange du Foyer ou le Triomphe du Surréalisme, by Max Ernst (1937)

5. Portrait of Marie Thérèse Walter, by Pablo Picasso (1939)

6. House of Stairs, by Maurits C. Escher (1951)