I was reading an article on the Art Blart blog about an exhibition at the Tate Modern titled "Shape of Light: 100 years of photography and abstract art". The idea of the show was to place abstract art works like paintings and sculptures alongside photographs. From the Tate press release:

A major new exhibition at Tate Modern will reveal the intertwined stories of photography and abstract art. Shape of Light: 100 Years of Photography and Abstract Art will ...