Airways vacated Terminal 4 and moved to Terminal 5. November 2009: The first stage of building Terminal 2B completed. 23 November 2009: The old Terminal 2 closed. 2010s 2010: Terminal 5's second satellite building was completed. 12 May 2010: Third runway and 6th terminal cancelled by the new government after an election. Summer 2010: The old Terminal 2 was demolished. October 2010: The second phase of building Terminal 2B started. 20 May 2011: Terminal 5C opened unofficially. 1 June 2011: Terminal 5C opened officially. February 2012: Construction starts on a temporary new terminal at a staff car park to accommodate the rush of about 7,000 athletes and their non-competing followers leaving when the 2012 Olympics ended. Described as being "the area of 3 Olympic sized swimming pools", it seemed to be made of plastic sheeting on metal posts. After check-in, the passengers were bussed to departures of the permanent terminals where their flights were to depart from. Some of their luggage was checked in at their hotels. September 2012: The Airports Commission is founded to consider how best to address the longstanding shortage of airport capacity in the South East of England, particularly hub airport capacity. The chief options under consideration were to build a third runway at Heathrow, to expand Gatwick Airport, or the Mayor of London Boris Johnson's suggestion of a Thames Estuary Airport. These were generally assumed to be mutually exclusive options, although in 2015 the chief executive of the London Chamber of Commerce recommended expanding both Heathrow and Gatwick, with Heathrow expansion as the first priority. 2013: The original 1950s red-brick control tower was demolished to enable access roads for the new Terminal 2 to be laid. December 2013: The Airports Commission delivers its interim report. 4 June 2014: New Terminal 2 opens to passengers November 2014: The large radar located near Terminal 1 was dismantled. June 2015: Terminal 1 was closed and demolished in order to allow a second stage of Terminal 2's expansion. The last flights were on 29 June and the terminal closed permanently on 30 June. July 2015: The Airports Commission's Final Report on the expansion of airport capacity in the South East of England recommends Heathrow expansion. Controversy arose as statutory exceedances (legal overshoots) in air pollution are forecast beside some motorways and parts of the Bath Road and many more homes impacted by aircraft noise than Gatwick. The Commission opined