A woman cycles past an electronic sign displaying stock price information on February 28, 2007 in London. World stock prices have tumbled after uncertanties in the Chinese stock market.
{"Image ImageDescription": "LONDON - FEBRUARY 28: A woman cycles past an electronic sign displaying stock price information on February 28, 2007 in London. World stock prices have tumbled after uncertanties in the Chinese stock market.  (Photo by Peter Macdiarmid/Getty Images)", "Image Copyright": "2007 Getty Images"}