HONG KONG - MAY 22:  Sunny street on May 22, 2012 in Hong Kong. With a land mass of 1,104 km and population of 7 million people, Hong Kong is one of the most densely populated areas in the world
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HONG KONG - MAY 22: Sunny street on May 22, 2012 in Hong Kong. With a land mass of 1,104 km and population of 7 million people, Hong Kong is one of the most densely populated areas in the world