Ah yes....the days when the Japanese army actually treated its enemies with respect, dignity, and by the rules of war:
German PoWs returning to Wilhelmshaven, Germany from Japan in February 1920.
The germans POWs from the battle of Tsingtao were well treated and fully cared for by the Japanese. Of interest, during the victory parade and official surrender of the fort, the Germans gave a full salute to the japanese soldiers, but then when the british marched by (the british had barely been in contact during the siege), the germans turned around and faced the other way. When the british general complained, the japanese general told him, basically, "deal with it."