Police advance as they try to disperse the crowd after removing barricades at a protest site in Mongkok shopping district in Hong Kong, Oct. 17, 2014. Hundreds of Hong Kong police staged a dawn raid on one of the key sites occupied by pro-democracy protesters, removing barricades from roads and clearing out most of the demonstrators in an another setback for their movement. Carlos Barria/Reuters

A protester reacts as police disperse the crowd after removing barricades at a protest site in Mongkok shopping district in Hong Kong, Oct. 17, 2014. The operation in the gritty working class area of Mong Kok, which is across the harbor from the main demonstration, came while many protesters were asleep in their tents. Carlos Barria/Reuters

Protesters are dragged away by riot police during a confrontation at Mongkok shopping district in Hong Kong, Oct. 17, 2014. Hong Kong riot police used pepper spray and baton charged crowds of pro-democracy protesters as tension escalated after a pre-dawn clearance of a major protest zone in the Chinese-controlled financial hub. Bobby Yip/Reuters

Protesters are pepper sprayed by riot police during a confrontation at Mongkok shopping district in Hong Kong, Oct. 17, 2014. Bobby Yip/Reuters

Protesters shout slogans outside a flag-raising ceremony where Hong Kong's embattled leader attended in Hong Kong, Oct. 1, 2014, to mark China's National Day. Vincent Yu/AP Photo

Hong Kong's Chief Executive Leung Chun-ying, center, watches as military personnel march during a flag-raising ceremony, Oct. 1, 2014, in Hong Kong, as thousands of protesters watching from behind police barricades yelled at him to step down. Wong Maye-E/AP Photo

A pro-democracy activist shouts slogans on a street near the government headquarters where protesters have made camp, Oct. 1, 2014, in Hong Kong. Wong Maye-E/AP Photo

A father stands next to his son as he shouts pro-democracy slogans at a protest site in Hong Kong, Oct. 1, 2014. Philippe Lopez/AFP/Getty Images

Umbrellas are set up together, symbolizing the so-called 'umbrella revolution' of pro-democracy protests, next to the central government offices in Hong Kong, Oct. 1, 2014. Alex Ogle/AFP/Getty Images

A couple take wedding photographs in front of pro-democracy protesters in Hong Kong, Oct. 1, 2014. Philippe Lopez/AFP/Getty Images

Hong Kong student protesters help with the clean up recycling of the garbage during a quiet moment at the protest site, Oct. 1, 2014, in Hong Kong. Paula Bronstein/Getty Images

A woman holds a placard at a large pro-democracy protest in Hong Kong on Oct. 1, 2014. Alex Ogle/AFP/Getty Images

A young pro-democracy demonstrator holds an umbrella for a police officer during a demonstration in Hong Kong, Sept. 30, 2014. Apple Daily/AP Photo

Pro-democracy demonstrators gather for the third night in Hong Kong, Sept. 30, 2014. Philippe Lopez/AFP/Getty Images

Pro-democracy activists clear a path for emergency vehicles to go through as they gather on the streets near the government headquarters, Oct. 1, 2014 in Hong Kong. Wong Maye-E/AP Photo

Protesters take shelter from the rain under umbrellas as they block the main street to the financial Central district outside of the government headquarters in Hong Kong, Sept. 30, 2014. Carlos Barria/Reuters

A man walks along an empty street near the central financial district in Hong Kong Sept. 30, 2014. Carlos Barria/Reuters

Protesters sing songs and wave their cell phones in the air after a massive thunderstorm passed over outside the Hong Kong Government Complex on Sept, 30, 2014 in Hong Kong, Hong Kong. Chris McGrath/Getty Images

A protester sleeps on the streets outside the Hong Kong Government Complex at sunrise on Sept. 30, 2014 in Hong Kong, Hong Kong. Paula Bronstein/Getty Images

Protesters walk along a street as they block an area near the government headquarters building in Hong Kong Sept. 30, 2014. Carlos Barria/Reuters

A lightning strike is seen over skyscrapers as demonstrators gather outside the central government complex as they protest during a heavy rain storm in Hong Kong, China, Sept. 30, 2014. Lam Yik Fei/Bloomberg via Getty Images

Thousands of protesters shelter under umbrellas from heavy rain after a thunderstorm passed over outside the Hong Kong Government Complex on Sept. 30, 2014 in Hong Kong. Chris McGrath/Getty Images

Student activists sleep on a road near the government headquarters where pro-democracy activists have gathered and made camp, Sept. 30, 2014 in Hong Kong. Wong Maye-E/AP Photo

A woman is silhouetted as she walks past a barricade made of metal gates and umbrellas in the central financial district, Sept. 30, 2014, in Hong Kong. Wong Maye-E/AP Photo

Wrapped in plastic to shield from pepper spray, a student protester stands behind a makeshift barrier blocking main streets in the central business district of Hong Kong, Sept. 29, 2014. Vincent Yu/AP Photo

Protestors and student demonstrators hold up their cellphones in a display of solidarity during a protest outside the headquarters of Legislative Council in Hong Kong, Sept. 29, 2014. Xaume Olleros/AFP/Getty Images

Protesters parade a large cut out of the head of C.Y. Leung in the streets outside the Hong Kong Government Complex, Sept. 29, 2014 in Hong Kong. Chris McGrath/Getty Images

Protesters gather in the streets outside the Hong Kong Government Complex on Sept. 29, 2014 in Hong Kong. Chris McGrath/Getty Images

Policemen rest following pro-democracy protests in Hong Kong, Sept. 29, 2014. Xaume Olleros/AFP/Getty Images

Central district goes dark as protesters take to the streets to call for greater democracy in Hong Kong, Sept. 29, 2014. Xaume Olleros/AFP/Getty Images

A protester raises a placard that reads "Occupy Central" between riot policemen and protesters outside the government headquarters in Hong Kong, Sept. 27, 2014. Vincent Yu/AP Photo

Riot police launch tear gas into the crowd as thousands of protesters surround the government headquarters in Hong Kong, Sept. 28, 2014. Wally Santana/AP Photo

A student protester is overcome by pepper spray from riot police as thousands of protesters surround the government headquarters in Hong Kong, Sept. 28, 2014. Wally Santana/AP Photo

Thousands of people block a main road in Hong Kong, Sept. 28, 2014. Vincent Yu/AP Photo

A student protester is overcome by pepper spray from riot police as thousands of protesters surround the government headquarters in Hong Kong, Sept. 28, 2014. Wally Santana/AP Photo

Pro-democracy demonstrators rest after a night of protesting at a rally outside the Hong Kong government headquarters, Sept. 29, 2014. Dale de la Rey/AFP/Getty Images

Pro-democracy protesters gather in the Admiralty region of Hong Kong, Sept. 29, 2014. Aaron Tam/AFP/Getty Images

Police officers stand in a cloud of tear gas during a demonstration in Hong Kong, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images

Pro-democracy run away during a demonstration in Hong Kong, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images

Protesters wear masks and goggles to protect themselves from pepper spray while blocking a police car outside the government headquarters in Hong Kong, Sept. 28, 2014. Vincent Yu/AP Photo

A student protester uses an umbrella to block pepper spray from riot police as thousands of protesters surround the government headquarters in Hong Kong, Sept. 28, 2014. Wally Santana/AP Photo

Riot policemen use pepper spray to young pro-democracy activists who forced their way into Hong Kong government headquarters during a demonstration in Hong Kong, Sept. 27, 2014. Apple Daily/AP Photo

A student is taken away by policemen at the government headquarter in Hong Kong, Sept. 27, 2014. Vincent Yu/AP Photo

A pro-democracy demonstrator gestures after police fired tear gas towards protesters near the Hong Kong government headquarters, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images

Protesters take rest at a main road in the financial central district after riot police use tear gas against them as thousands of people blocked the road in Hong Kong, Sept. 28, 2014. Vincent Yu/AP Photo

A police car is blocked by protesters after thousands of people block a main road to the financial central district outside the government headquarters in Hong Kong, Sept. 28, 2014. Vincent Yu/AP Photo

Demonstrators carry boxes of food and water during a pro-democracy protest in Hong Kong, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images

A pro-democracy demonstrator wearing a mask and goggles to protect against pepper spray and tear gas gestures during a rally near the Hong Kong government headquarters, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images

Pro-democracy protesters demonstrate in Hong Kong, Sept. 28, 2014. Xaume Olleros/AFP/Getty Images