1. Hong Kong Falun Gong stages sit-in to mark Beijing protest - Falun Gong members walk to China's Liaison Office in Hong Kong on April 25 to press Beijing to stop its campaign of "unreasonable persecution" of the outlawed group on the mainland. Falun Gong is legal in the former British territory. REUTERS/Kin Cheung

2. A young Falun Gong follower goes through a meditation routine along with dozens of the sect's members in Hong Kong on Wednesday, April 25, 2001. The meditation session marked the second anniversary of the spiritual movement's first large demonstration in China where the sect is outlawed. (AP Photo/Anat Givon)

3. A military police officer waits to inspect a package of a Chinese woman at Tiananmen Square in Beijing Wednesday, April 25, 2001. Police detained at least 20 people on the square on Wednesday, the second anniversary of the outlawed Falun Gong sect's first large demonstration. (AP Photo/Ng Han Guan)

4. Falun Gong members detained on protest anniversary - Chinese plainclothes police detain a Falun Gong protester and confiscate his banner in Tiananmen Square in Beijing on April 25, the second anniversary of the mass Falun Gong protest in Beijing which led to the movement being outlawed. REUTERS/Chien-Min Chung