Hui girl wearing traditional Hui dress. The Hui people are ethnic Han Chinese. The major difference is that they are Muslim and not Buddhist. So they follow all Islam rules with regard to food, clothes, art, attending mosque, learning Arabic so that they can read the Koran. And as in Chinese culture, the girls are treated as equals and not as chattel. etc etc.
This is the mosque in Niujie, Beijing, the picture on the people are the foreign travel to Beijing Hui people, they came here, talking about what, with their own national language, we can not understand.