This photo taken on Aug. 5, 2023 shows a photocopy of a document from a Japanese army hospital that cooperated with Unit 731, a Japanese germ warfare army during World War II, in Mudanjiang City, nort
Enjoy life, Inspiring work
Enjoy life, Inspiring work
This photo taken on Aug. 5, 2023 shows a photocopy of a document from a Japanese army hospital that cooperated with Unit 731, a Japanese germ warfare army during World War II, in Mudanjiang City, nort