Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured lighted up before ... more 
Hong Kong's central financial district's (L-R) Bank of China Tower, Cheung Kong Centre, HSBC headquarters, Standard Chartered Bank and Legislative Council (front L) are pictured lighted up before Earth Hour March 31, 2012. REUTERS/Tyrone Siu less 
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Reuters | Photo By � Siu Chiu / Reuters / Reuters
Mon, Mar 24, 2014 5:04 PM EDT