Why do beautiful women in Beihai, Guangxi look like Vietnamese?

Geographical environment influence, genetic influence.

Geographical environment impact: Beihai area in Guangxi borders Vietnam, and the living environment and eating habits of the local people are similar to those of the Vietnamese. Therefore, there are some similarities in the appearance of beautiful women in Beihai, Guangxi. Their skin is dark and their faces are round, giving people a feeling like Vietnamese.

Genetic influence: Beihai area in Guangxi is a place where many ethnic groups live together, some of which are related to the ethnic groups in Vietnam. Therefore, the beauties in Beihai, Guangxi have some common genetic characteristics among these ethnic groups, such as eye shape and nose height, which further enhances their feelings as Vietnamese.