A squad of Chinese 18th Group Army(8 route army)is having a summing-up meeting on the Great Wall in Futuyu,Laiyuan county,Hebei Province in 1938.

The summing-up meeting on the Great Wall

In May 1939,the 359 brigade of 18th Group Army captured some Japanese POWs in the battle of Shangxia xiyao,Wutai county,Shanxi Province.
Commander of the troop decided to set the Japanese POWs free , hope them to spread anti-war information after their back.
This is a photo in the ceremony of the setting free. Chinese soldiers,Japanese POWs(siting with uniform),local villagers attended the ceremony.  

Set the POW free

chinese nationalist soldier using foliage camouflage. (china 1942)