You know, for most artists their head is their studio. It’s where stuff incubates. And then there are various places in which things actually get assembled, and this is just one of those places that is the biggest piece of assembly that I’ve ever got to see.

British artist Richard Wentworth climbs a skyscraper to pay tribute to London’s skyline, and explains why he finds inspiration in city life. Wentworth’s art has taken the diverse forms of photography, sculpture, installation, walks and talks.

For Tate Modern’s 2007 exhibition Global Cities he made a series of films that show people painting road markings, a kind of urban street art that normally goes unnoticed.