LONDON, ENGLAND - SEPTEMBER 09: Mayor of London Boris Johnson, President of the IPC Sir Philip Craven MBE and Mayor of Rio de Janeiro Eduardo Paes perform the Paralympic flag handover ceremony during... more 

LONDON, ENGLAND - SEPTEMBER 09: Mayor of London Boris Johnson, President of the IPC Sir Philip Craven MBE and Mayor of Rio de Janeiro Eduardo Paes perform the Paralympic flag handover ceremony during the closing ceremony on day 11 of the London 2012 Paralympic Games at Olympic Stadium on September 9, 2012 in London, England. (Photo by Peter Macdiarmid/Getty Images) less