Guard towers on the perimeter wall of the Urumqi No. 3 Detention Center in Dabancheng in western China's Xinjiang region on April 23, 2021.
© AP Photo/Mark Schiefelbein
Guard towers on the perimeter wall of the Urumqi No. 3 Detention Center in Dabancheng in western China's Xinjiang region on April 23, 2021.