A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]

A museum dedicated to the Sui ethnic group in Sandu Sui autonomous county, Guizhou province, Nov 16, 2019. The museum's collections introduce the culture, history and social customs of the Shui people. [Photo/China News Service]