Four protest leaders, from left, Benny Tai Yiu-ting, Chan Kin-man, Joseph Zen and Chu Yiu-ming, surrounded by police officers, walk to the police station in Hong Kong as they surrender to police Wednesday, Dec. 3, 2014 to take responsibility for protests that have shut down parts of the Asian financial center for more than two months. Three founders of Hong Kong's pro-democracy protest movement called for an end to street demonstrations to prevent more violence and take the campaign to a new stage, but it wasn't clear whether student protesters, who make up the bulk of the activists, would heed the call. (AP Photo/Kin Cheung)
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