Monday's image: February 25, 2019

Craig Kauffman, Le Mur s'en va (The wall goes away), Synthetic polymer on acrylic plastic, 185.4 x 120 x 22.9 centimeters, 1969, Art Institute of Chicago, Illinois

Monday's image: January 1, 2018

Sam Francis, Towards Disappearance, II, Oil on canvas, 275.6 x 319.7 centimeters, Paris, 1957-58, Museum of Modern Art, New York

Monday's image: March 27, 2017

Tomasz Sikorski, Portent, 8 mm film, 07:33, 1981, Muzeum (Museum of Modern Art in Warsaw), Poland (Note: Film can be viewed via the museum link)

Monday's image: May 2, 2016

Polina Kanis, Workout, Video installation, 12:01, 2011, MUZEUM (Museum of Modern Art in Warsaw), Poland (Note: Full video is hyperlinked via the title of the work)