Japanese tanks move toward the Khalkha River in Mongolia, July 1939 (Wikimedia Commons)
Japanese tanks
Japanese tanks move toward the Khalkha River in Mongolia, July 1939 (Wikimedia Commons)
Japanese tanks move toward the Khalkha River in Mongolia, July 1939 (Wikimedia Commons)
Japanese tanks move toward the Khalkha River in Mongolia, July 1939 (Wikimedia Commons)
