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A protester waves a Hong Kong colonial flag as people march during an annual protest in downtown Hong Kong Tuesday, July 1, 2014. Hong Kong residents marched through the streets of the former British colony to push for greater democracy in a rally fueled by anger over Beijing's recent warning that it holds the ultimate authority over the southern Chinese financial center. The protest comes days after nearly 800,000 residents voted in a mock referendum aimed at bolstering support for full democracy. (AP Photo/Kin Cheung) ( APTOPIX Hong Kong China Tension )

A protester, center, is taken away by police officers after hundreds of protesters staged a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Vincent Yu) ( Hong Kong China Tension )

Protesters hold an effigy of Hong Kong Chief Executive Leung Chun-ying as they march during an annual protest in downtown Hong Kong Tuesday, July 1, 2014. Hong Kong residents marched through the streets of the former British colony to push for greater democracy in a rally fueled by anger over Beijing's recent warning that it holds the ultimate authority over the southern Chinese financial center. The protest comes days after nearly 800,000 residents voted in a mock referendum aimed at bolstering support for full democracy. (AP Photo/Kin Cheung) ( Hong Kong China Tension )

A protester, center, is taken away by police officers after hundreds of protesters staged a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Vincent Yu) ( Hong Kong China Tension )

Protesters hold up pro-independence placards while hundreds of thousands take part in a pro-democracy rally seeking greater democracy in Hong Kong on July 1, 2014 as frustration grows over the influence of Beijing on the city. July 1 is traditionally a day of protest in Hong Kong and also marks the anniversary of the handover from Britain to China in 1997, under a "one country, two systems" agreement. RICHARD A. BROOKS/AFP/Getty Images ( 531284597 )

Hundreds of protesters stage a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Kin Cheung) ( Hong Kong China Tension )

Hundreds of protesters stage a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Kin Cheung) ( Hong Kong China Tension )

Protesters march during a pro-democracy rally seeking greater democracy in Hong Kong on July 1, 2014 as frustration grows over the influence of Beijing on the city. July 1 is traditionally a day of protest in Hong Kong and also marks the anniversary of the handover from Britain to China in 1997, under a "one country, two systems" agreement. DALE de la REY/AFP/Getty Images ( 531283976 )

A protester, center, is taken away by police officers after hundreds of protesters staged a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Vincent Yu) ( APTOPIX Hong Kong China Tension )

Pro-democracy activists distribute placards and leaflets before a pro-democracy rally seeking greater democracy in Hong Kong on July 1, 2014 as frustration grows over the influence of Beijing on the city. July 1 is traditionally a day of protest in Hong Kong and also marks the anniversary of the handover from Britain to China in 1997, under a "one country, two systems" agreement. PHILIPPE LOPEZ/AFP/Getty Images ( 531275335 )

A protester holds a placard during the annual pro-democracy protest on July 1, 2014 in Hong Kong. Seventeenth anniversary of Hong Kong's return to China rule is marked in July 1, and tens of thousands of Hong Kong residents marched on the street to demand for universal suffrage for city's next leader. (Photo by Anthony Kwan/Getty Images) ( 451558864 )

Protesters hold up tablet computers showing an image of Hong Kong's Chief Executive Leung Chun-ying similar to a funeral altar photo (with black band), while hundreds of thousands take part in a pro-democracy rally seeking greater democracy in Hong Kong on July 1, 2014 as frustration grows over the influence of Beijing on the city. July 1 is traditionally a day of protest in Hong Kong and also marks the anniversary of the handover from Britain to China in 1997, under a "one country, two systems" agreement. RICHARD A. BROOKS/AFP/Getty Images ( 531284632 )

Arrested protesters are escorted out by police officers outside HSBC headquarters in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. More than 500 protesters were arrested from sit-in during pro-democracy rally. (AP Photo/Vincent Yu) ( Hong Kong China Tension )

A member of a Falun Dafa band relaxes before a pro-democracy rally seeking greater democracy in Hong Kong on July 1, 2014 as frustration grows over the influence of Beijing on the city. July 1 is traditionally a day of protest in Hong Kong and also marks the anniversary of the handover from Britain to China in 1997, under a "one country, two systems" agreement. DALE de la REY/AFP/Getty Images ( 531276076 )

A protester yells at a police officer as the officer is about to arrest him after the annual pro-democracy protest on July 1, 2014 in Hong Kong. Protesters gathered to occupy a street in Central district. July 1, 2014 marks the 17th anniversary of Hong Kong's return to China rule as tens of thousands of Hong Kong residents march on the street to demand for universal suffrage for city's next leader. (Photo by Anthony Kwan/Getty Images) ( 451577880 )

People hold umbrellas while marching under the rain during an annual protest in downtown Hong Kong Tuesday, July 1, 2014. Hong Kong residents marched through the streets of the former British colony to push for greater democracy in a rally fueled by anger over Beijing's recent warning that it holds the ultimate authority over the southern Chinese financial center. The protest comes days after nearly 800,000 residents voted in a mock referendum aimed at bolstering support for full democracy. (AP Photo/Vincent Yu) ( APTOPIX Hong Kong China Tension )

Protesters are arrested by police officers after hundreds of protesters staged a peaceful sit-ins overnight on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Vincent Yu) ( Hong Kong China Tension )

Policemen remove protesters in the central district after a pro-democracy rally seeking greater democracy in Hong Kong early on July 2, 2014 as frustration grows over the influence of Beijing on the city. Scores of protesters were forcibly removed by police in the early hours following a massive pro-democracy rally which organisers said saw a turnout of over half a million. PHILIPPE LOPEZ/AFP/Getty Images ( 531301197 )

Policemen prepare to remove protesters in the central district after a pro-democracy rally seeking greater democracy in Hong Kong early on July 2, 2014 as frustration grows over the influence of Beijing on the city. Scores of protesters were forcibly removed by police in the early hours following a massive pro-democracy rally which organisers said saw a turnout of over half a million. PHILIPPE LOPEZ/AFP/Getty Images ( 531301204 )

Protesters demand a police officer, right, to stay away from them during a peaceful sit-ins protest on a street in the financial district in Hong Kong Wednesday, July 2, 2014, following a huge rally to show their support for democratic reform and oppose Beijing's desire to have the final say on candidates for the chief executive's job. (AP Photo/Kin Cheung) ( Hong Kong China Tension )