Carlos Saura's peculiar take on the origin of art. The acclaimed and multi-award winning director, with more than 50 films to his name, portrays the evolution and relationship of art with the wall as a creative canvas from the first graphic revolutions of the prehistoric caves to the most avant-garde urban expressions. A thrilling and personal journey in the company of figures including Juan Luis Arsuaga, Miquel Barceló, Zeta, Musa 71 and Suso 33.