It is in Spain, is the work of such four successive works. I particularly like blue and green works, so I'd like to see it.

Grün-Blau / Gerhard Richter

1993, 240 cm x 240 cm,Oil on canvas, Museo Nacional Centro de Art e Reina Sofía, Madrid, Spain

Speaking of which, this Mado de Museo Nacional Centro de Art e Reina Sofía (Queen Sofia Art Center) is this work, no matter what.

Guernica, Pablo Picasso

1937, 349 x 777 cm, Oil on Canvas