Tate Modern is hosting the first major exhibition dedicated to the late works of Mark Rothko - one of America's most iconic post-war painters.
It includes 15 of the Seagram murals - where bright and intense colours in the early paintings give way to maroon, dark red and black in later canvasses.
Sculptor Anish Kapoor took Sarah Montague on a tour of the exhibition - and explained his fascination with Rothko's work.
Not all images have captions. Slideshow production by Paul Kerley. Music track 'Contentment', composer Marion McPartland.
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