LONDON, ENGLAND - OCTOBER 24: A general view of the London Skyline on October 24, 2013 in London, England. London is fast becoming one of the wealthiest cities in the world, with property prices, salaries and investment reaching levels that are causing some concern that a dangerous and unsustainable boom is being created. (Photo by Dan Kitwood/Getty Images)
Getty Images

Getty Images News Dan Kitwood