LONDON - SEPTEMBER 5:  G20 finance ministers, central banks governors and other officials pose for a group picture during the G20 finance Minister's summit, at the Treasury in Westminster on September 5, 2009 in London, England. British PM Gordon Brown has warned against withdrawing support for the global economy too soon, stating it could undermine tentative recovery signs, during a G20 meeting. Finance ministers are in London for a two-day meeting to map out rules to prevent a repeat of the crisis that brought the financial system to the brink of collapse. Getty Images logo Getty Images 29 months ago

LONDON - SEPTEMBER 5: G20 finance ministers, central banks governors and other officials pose for a group picture during the G20 finance Minister's summit, at the Treasury in Westminster on September 5, 2009 in London, England. British PM Gordon Brown has warned against withdrawing support for the global economy too soon, stating it could undermine tentative recovery signs, during a G20 meeting. Finance ministers are in London for a two-day meeting to map out rules to prevent a repeat of the crisis that brought the financial system to the brink of collapse.