Peter Watts writes about art and culture for The Times, Independent On Sunday, New Statesman, Time Out, Uncut and others, and blogs about London at The Great Wen

Group of quadrants in ‘Science City 1550–1800’ at the Science Museum, London. Photo: © Jody Kingzett, Science Museum Group
Image courtesy Four Corners Books
Artwork on concrete blocks acting as bollards on 4 July, 2017 in Melbourne, Australia. Photo: Michael Dodge/Getty Images
'Into the Unknown: A Journey through Science Fiction' (installation view; 2017), at the Barbican Centre. Photo: Tristan Fewings/Getty Images
Jumping boys, High Wycombe (1980), Gavin Watson. Image courtesy Youth Club Archive
A march of 2,000 anti-conscription protesters in London,1939. © IWM
Detail of the Great Fire of London by an unknown painter. Photo: Wikimedia Commons
Edge City: Croydon. Photo: courtesy Sophia Schorr-Kon
The earliest printed map of London, from Braun and Hogenbergh’s Civitates Orbis Terrarum, drawn in c. 1560 (printed in 1572).