Artillerymen assigned to a gun-howitzer squad of a brigade under the PLA 73rd Group Army prepare a 152mm towed gun-howitzer system prior to a training exercise after completing a long-distance rail transportation from China’s southeast coastal areas to the northwest China’s desert area in early July, 2019. (eng.chinamil.com.cn/Photo by Jiang Xiaoliang, Chen Kunfeng and Qin Peng)