While in the US Navy (1977 ~ 1981) I can distinctly remember the unique facial structures of the people in Southeast Asia and being able to tell what country th

While in the US Navy (1977 ~ 1981) I can distinctly remember the unique facial structures of the people in Southeast Asia and being able to tell what country they were from because of this. A couple of decades later with the mixing of populations by various means, and their diet changing in that-time frame, I couldn't reliably tell anymore.