They must also immediately and unconditionally release anyone detained solely for engaging in peaceful protest, including support for the Dalai Lama or the independence of Tibet.

http://uncensor.com.au/

Use of the word “must” implies two things, authority and power. Amnesty — as much as I admire them — has neither. Saying “must” to a Chinese is bound to result in resentment and lack of cooperation. Most unskillful — but typically Western.