Judging that two people look alike, of course, depends on a person's five senses, which is also a person's first impression. Just like this girl, it is because she found that the facial features of the poster model are particularly similar to her own that she felt particularly similar. However, the probability that two unrelated people are highly similar in facial features is still relatively low, and most of them are twins or related people.
Maybe some people find that others look particularly like themselves, but if you distinguish them carefully, you can find some differences, even twins, and probably some differences. For example, a person's voice, figure or other living habits are often different. Although they look alike, they are not exactly the same in figure or other aspects. Generally speaking, judging the similarity between two people is mainly based on the five senses, which is also the most direct way.
For example, if two people's eyes, noses or mouths look exactly the same, it will naturally bring people similar feelings, which is also very normal. There are even news reports on the internet that some animals and people look very similar, perhaps not similar in facial features, but facial expressions or some micro-expressions, all of which are synchronized with each other. Therefore, after reading it, people often think of people similar to him through the appearance of animals. I have to say that there are still many surprises and accidents in life.