As part of its crackdown on Muslims in Xinjiang, China has sent thousands of ethnic Kazakhs to so-called “reeducation camps.” Many detainees have relatives in Kazakhstan.

The Khorgos trade zone, straddling the border and shared by Kazakhstan and China, is a desolate place where Kazakhs buy cheap consumer goods and Chinese tourists go to take selfies.

It’s also where some ethnic Kazakhs have been detained by Chinese police. In this video we follow one woman searching for her husband.