An unidentified man wearing a T-shirt with a Canadian flag is wrestled down by Chinese police officers in Tiananmen Square after participating in a sit-in demonstration in support of the banned Falun Gong [group] Tuesday, Nov. 20, 2001. About twenty Westerners took part in the sit-in and unfurled a giant banner before being taken away and detained by police. (AP Photo/Ng Han Guan)