Period Photos of People with Ethnographic Arms

[KuKulzA28]

Where: Taiwan
When: most likely Japanese occupation era
Who: Aboriginal men
Weapons visible: spears, "machetes", bows, guns
Source if known: taipics.com

first 2 - probably northerners - such as "Atayal"
next 2 - unsure, maybe Pingpu peoples, or mountain-folks with more contact with lowlanders, as you can see one picture has an aborigine with Han clothes, and the other was hired by Japanese to fight rival unsubdued tribes
next 2 - probably "Tsou" peoples judging by the attire and short 'machetes'
next 2 - southerners, possibly Paiwan, Rukai, or Puyuma (I get the costume mixed up)