The New Nation - Internet Edition

AP, Nepal

Three lithe Chinese security men shift silently into position so they are anchored abreast exactly midway across Friendship Bridge, high above a Himalayan river gorge.

It's the only international gateway into Tibet. As a small group of foreigners approaches, the guards' unspoken message is clear: the rebellious territory behind them is off-limits.

After anti-government riots erupted March 14, Beijing closed off Tibet to foreign and domestic tourists and cracked down on Tibetans trying to escape. And China's security apparatus doesn't stop at the border.