Check out this
"Family Portrait" of China's 56 different ethnic groups. Photographer Chen Haiwen recently led a team of 14 photographers throughout China to create a book,
Harmonious China: A Sketch of China's 56 Ethnicities. They ended up taking over 5.7 million photographs over the course of one year, coming up with some amazing images:
Family Portraits of all 56 ethnic groups in China.