How do you challenge the might of the Chinese state?

For decades, the Uyghur Muslims have fought to preserve their culture, their language and their religion in the face of China’s rising power and control.

Since 2013, sweeping crackdowns have turned the once-autonomous region which calls itself ‘East Turkestan’ into a heavily militarised zone, where high tech surveillance systems were installed and thousands of ordinary people disappeared.

What China calls ‘anti-terrorism’ measures have been revealed as something much more sinister - concentration camps where more than a million Uyghurs are ‘re-educated’ into giving up their beliefs and adopting nationalist ideals, or face severe consequences.

Those who managed to escape Xinjiang are now trying to warn the world about what’s happening to their families ...