Freedoms and fears of the Uighurs in Kazakhstan
Central Asian governments are facing pressure from China to clamp down on Uighur demands for their own state.
For the 11 million Uighur people who live in China, freedom of speech, religion and movement is strictly controlled.
However, just along the Silk Road, across the border in Kazakhstan, a quarter of a million Uighurs enjoy relative freedom.
Rustam Qobil from the BBC's Our World programme meets Kazak Uighurs concerned about China's growing influence in the region.