Picasso's "Guernica" undergoes medical check at the Museo Reina Sofia in Madrid - Art Daily

Picasso's "Guernica" undergoes medical check at the Museo Reina Sofia in Madrid Art Daily A technician looks at images on a computer screen as a camera mounted on a mobile robot-like structure moves across Pablo Picasso's 'Guernica' painting, seen in background at the Reina Sofia Museum in Madrid Tuesday Feb. 21, 2012. and more »