Life on 'Mars' - in pictures

3 June 2010: members of the Mars500 crew Alexey Sitev of Russia (front centre), Romain Charles of France (back right), Sukhrob Kamolov of Russia (back centre), Diego Urbina of Italy (front right), Alexander Smoleevskiy of Russia (back left), and Wang Yue of China (front left) smile for the press before being locked into the isolation facility in Moscow Photograph: ALEXANDER NEMENOV/AFP/Getty Images

3 June 2010: the crew pose for a picture before entering the confinement module Photograph: Sergei Karpukhin/Reuters

3 June 2010: the Mars500 isolation facility Photograph: Alexander Nemenov/AFP/Getty Images

3 June 2010: an official poses after closing the hatch, 520 days ago Photograph: AFP/Getty Images/ESA

27 January 2011: two members of the crew train for 'Marswalk' on the simulated martian terrain Photograph: AFP/Getty Images/ESA

3 June 2011: a table with 'martian pizzas' for the 'one year in isolation' celebrations Photograph: AFP/Getty Images/ESA

3 June 2011: Romain Charles prepares chocolate biscuits in the Mars500 modules Photograph: AFP/Getty Images/ESA

24 July 2011: members of the crew relax in the modules Photograph: AFP/Getty Images/ESA

25 October 2011: blue lights help the crew prepare their eyes for real daylight Photograph: AFP/Getty Images/ESA

4 November 2011: members of the crew emerge from the isolation facility Photograph: AFP/Getty ImagesESA

4 November 2011: China's Wang Yue and Russia's Sukhrob Kamolov Photograph: AFP/Getty Images/ESA

4 November 2011: the six members of the crew celebrate after emerging Photograph: AFP/Getty Images/ESA