AP Photo/Manish Swarup
Tears roll down a Tibetan man's face as he prays to mark the Tibetan 50th anniversary of the failed uprising against Chinese rule, at a monastery, in Katmandu, Nepal, Tuesday, March 10, 2009. China has overseen a "brutal crackdown" in Tibet since protests shook the Himalayan region last year, part of decades of Chinese oppression that have driven Tibetan culture to the verge of extinction, the Dalai Lama said Tuesday.
AP Photo/Ashwini Bhatia
Tibetan spiritual leader, the Dalai Lama, speaks to the media on the 50th anniversary of the Tibetan uprising against Chinese rule that sent him into exile, in Dharmsala, India, Tuesday March 10, 2009. Chinese rule in Tibet has created a "hell on earth" that has caused the deaths of hundreds of thousands of Tibetans, the Dalai Lama said Tuesday in a speech to mark the anniversary.
AP Photo/Ashwini Bhatia
Tibetan spiritual leader, the Dalai Lama, speaks to the media on the 50th anniversary of the Tibetan uprising against Chinese rule that sent him into exile, in Dharmsala, India, Tuesday March 10, 2009.
AP Photo/Ashwini Bhatia
Tibetan spiritual leader, the Dalai Lama, looks on after delivering a speech at a ceremony to mark the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent him into exile, in Dharmsala, India, Tuesday March 10, 2009.
AP Photo/Manish Swarup
An elderly Tibetan woman prays to mark the 50th anniversary of the failed uprising against Chinese rule, at a monastery, in Katmandu, Nepal, Tuesday, March 10, 2009.
AP Photo/Manish Swarup
A Tibetan woman shouts anti Chinese government slogans as she was loaded into a police van during a protest march, in Katmandu, Nepal, Tuesday, March 10, 2009.
AP Photo/Saurabh Das
Tibetans shout slogans for a free Tibet as they participate in a march to commemorate the 50th anniversary of the Tibetan uprising against Chinese rule that sent spiritual leader, the Dalai Lama, into exile, in New Delhi, India, Tuesday March 10, 2009.
AP Photo/Altaf Qadri
Exiled Tibetans march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
An exiled Tibetan holds a flag as she participates in a march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
Exiled Tibetans march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
An exiled Tibetan loses balance as he shouts slogans standing on the railing of a public park during a march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
Exiled Tibetan Buddhist monks march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
An exiled Tibetan shouts slogans for a free Tibet as he participates in a march to commemorate the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday, March 10, 2009.
AP Photo/Manish Swarup
Tibetans in exile light butter lamps at a monastery at Bodhnath Stupa, a Buddhist religious place, seen from the window, in Katmandu, Nepal, Tuesday, March 10, 2009.
AP Photo/Altaf Qadri
Exiled Tibetan Buddhist monks watch from a balcony during a ceremony to mark the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday March 10, 2009.
AP Photo/Altaf Qadri
An exiled Tibetan Buddhist monk prays during a ceremony to mark the 50th anniversary of the failed Tibetan uprising against Chinese rule that sent their spiritual leader, the Dalai Lama, into exile, in Dharmsala, India, Tuesday March 10, 2009.
AP Photo/Kin Cheung
A protester wearing a Tibetan flag t-shirt, demonstrates for a free Tibet to mark the 50th anniversary of the failed Tibetan uprising against Chinese rule during a candlelight vigil outside the Liaison office of China in Hong Kong, Tuesday, March 10, 2009.
AP Photo/Elizabeth Dalziel
A worshiper prays at the Lama Temple in Beijing, China, Tuesday, March 10, 2009. Authorities in Tibet and restive parts of western China were on heightened alert for possible unrest on the 50th anniversary of a failed uprising against Chinese rule, as the Dalai Lama said Tibet had become "hell on earth" under Beijing's control.
AP Photo/Thierry Charlier
Some of the few hundred Tibetan sympathizers, waving Tibetan flags, demonstrate next to the European Commission in Brussels, Tuesday March 10, 2009.
AP Photo/Ng Han Guan
Tibetan monks walk past heavily armed paramilitary police on a street in Kangding, Ganzi prefecture in southwestern China's Sichuan province Tuesday, March 10, 2009. Authorities closed the last window into a restive Tibetan region in western China, tightening its security cordon for the 50th anniversary of the failed uprising that sent the Dalai Lama into exile.