Artillerymen assigned to an artillery brigade under the PLA Xizang Military Command move a towed howitzer system to the firing point during a live-fire training exercise in southwest China's Xizang Autonomous Region in mid-June, 2019. Photo: eng.chinamil.com.cn

Artillerymen assigned to an artillery brigade under the PLA Xizang Military Command practice firing towed howitzer system during a live-fire training exercise in southwest China's Xizang Autonomous Region in mid-June, 2019.  Photo: eng.chinamil.com.cn

Artillerymen assigned to an artillery brigade under the PLA Xizang Military Command practice firing towed howitzer system during a live-fire training exercise in southwest China's Xizang Autonomous Region in mid-June, 2019.  Photo: eng.chinamil.com.cn

Artillerymen assigned to an artillery brigade under the PLA Xizang Military Command practice firing towed howitzer system during a live-fire training exercise in southwest China's Xizang Autonomous Region in mid-June, 2019.  Photo: eng.chinamil.com.cn