Staff members serve tourists with refreshments during Sanyaotai banquet at Daqian town, Daozhen Gelao and Miao autonomous county, southwest China's Guizhou province, on June 25, 2019. Sanyaotai, listed as a national intangible cultural heritage, is a distinctive etiquette of banquet for people of Gelao ethnic group in Daozhen Gelao and Miao autonomous county and around areas. The traditional custom features three processes of serving tea, wine and food at the banquet. In recent years, this folk custom has gradually integrated into the local tourism industry.[Photo/Xinhua]