Upside Down London: pop-up camera obscura, free to enter.
Wed 4 Nov
Alexandra Palace
Free
Photography exhibitions in London this week
Photography exhibitions in London this week, Thursday 29 October to Wednesday 4 November: 42 events, among them 34 in exhibitions and museums, 4 in talks and readings, 1 in theatre, 1 in party and club, 1 in tours and walks and 1 in workshops and courses.
Curate an Exhibition: creative skills programme for 18–25s.
Wed 4 Nov
Roundhouse
Free