Olafur Eliasson and Minik Rosing, Ice Watch (2018). Installation of blocks of melting ice, which had already broken off the Greenland ice sheet, at Bankside outside London’s Tate Modern gallery. ©2018 Olafur Eliasson. Courtesy of the artist. Photograph by Charlie Forgham Bailey.

Olafur Eliasson and Minik Rosing, Ice Watch (2018). Installation of blocks of melting ice, which had already broken off the Greenland ice sheet, at Bankside outside London’s Tate Modern gallery. ©2018 Olafur Eliasson. Courtesy of the artist. Photograph by Charlie Forgham Bailey.