Robuta

https://commons.wikimedia.org/wiki/Category:1941_in_China_by_month Category:1941 in China by month - Wikimedia Commons 1941 in china by month category wikimedia commons https://commons.wikimedia.org/wiki/Category:December_1941_in_China_by_province Category:December 1941 in China by province - Wikimedia Commons 1941 in china by province category december wikimedia