Werner Bischof. 1951. Exercises at train station. Japan
Friends on a train, 1950s by Yoshiyuki Iwase
https://flic.kr/p/pD1tdr | Children in Hats Smiling - 1950s Japan | A group of children having fun in the grass - and the boys wearing hats. A photo of life in Japan in the 1950s. I'm not sure of the exact date of this photo, but it is from a group of found negatives where some pictures are marked 1955.