Psycho Buildings at the Hayward gallery

The Guardian's Adrian Searle (left) gets to grips with a boating lake complete with dock and three small wooden boats, installed on one of the Hayward's sculpture terraces. The work, by Austrian art collective Gelitin, is quizzically entitled Normally, Proceeding and Unrestricted With Without Title (2008) Photograph: David Levene/Guardian

Just don't go over the edge ... the lake is situated on one of the gallery's roofs, overlooking the Festival Hall, the London Eye and the London headquarters of Shell Photograph: David Levene/Guardian

Life Tunnel by Atelier Bow-Wow is made out of steel plate Photograph: David Levene/Guardian

Fallen Star 1/5 by Do Ho Suh Photograph: David Levene/Guardian

Another view of Fallen Star 1/5 Photograph: David Levene/Guardian

Staircase - V by Do Ho Suh Photograph: David Levene/Guardian

German artist Michael Beutler stands in front of his as-yet untitled work, which will be made up of hundreds of sheets of tissue paper Photograph: David Levene/Guardian

Rachel Whiteread's installation is made up of 200 doll's houses from her personal collection, assembled over the last 20 years Photograph: David Levene/Guardian

The finished Place (Village) by Rachel Whiteread Photograph: David Levene/Guardian

Show Room by Los Carpinteros is made from Ikea and B&Q furniture, painstakingly taken apart in mock-explosion and hung from thin steel wires Photograph: David Levene/Guardian

Another view of Show Room Photograph: David Levene/Guardian

Observatory, Air-port-city by Tomas Saraceno Photograph: David Levene/Guardian