Video by Es Devlin and Machiko Weston tells story of nuclear bombing in Hiroshima and Nagasaki

A powerful 10-minute video artwork marking the 75th anniversary of the dropping of atomic bombs on Hiroshima and Nagasaki has been released by the Imperial War Museum in London.

The museum commissioned stage designers Es Devlin, who is British, and Machiko Weston, who is Japanese, to make the piece, which tells the stories and explores the impact of the bombings from different perspectives.