A British Museum representative poses for photographs next to Roy Lichtenstein's "Sweet Dreams Baby! from 11 Pop Artists, Vol. III" and "Reverie from 11 Pop Artists, Vol. II" which feature in "The American Dream: pop to the present" exhibition during a media photocall at the British Museum in London, Monday, March 6, 2017. The exhibition, which opens to the public from March 9 and runs until June 18, charts modern and contemporary print making. (AP Photo/Matt Dunham), APTOPIX