J.B. Ingwersen. Evening impression of the Leidseplein in Amsterdam, 1960–1965. Collection Het Nieuwe Instituut. INGW r79
'Nightbirds' descends into the night-time world of bohemians and night owls. How did architects over the past century manage to capture in their drawings the bustle as the audience gradually files into a theatre? What mood do their sketches conjure up of a café or club? And does any drawing depict the loneliness of the city, the emptiness after the party?