Earlier quoted context omitted.
Obviously, random chance... It's a bit ignorant/racist to expect people from different countries to look distinctly different (fashion notwithstanding), when genetics are so overlapping
The about page at https://alllooksame.com/about/ seems to indicate that the author who is of Japanese descent is not able to differentiate between them himself and made this website to test the assumption In any case, I thought the "you all look the same" racist trope is that east asian people look similar to one another individually ? is there an actual expectation of being able to tell the actual ethnicity/countrie…
Facial structure, there are some obvious ones in ALS. But generally speaking, it's fashion that gives it away. I can spot a (relatively recent) Japanese immigrant from a hundred feet away by her clothes. It's a bit like if you see someone in Europe with a baseball cap, you can be almost certain they're American. Sandals with socks? German. Etc.