Photo taken on April 1, 2019 shows a carved gourd named "Diamond Sutra", created by Ruan Qi, an arts and crafts master of Gansu Province, at a gourd carving studio in Lanzhou, northwest China's Gansu Province. A carved gourd, as the name suggests, is a gourd carved with landscapes, portraits, animals, calligraphy or poems, and then painted with ink. The process of gourd carving includes choosing gourd, painting, engraving and coloring. It was inscrbed in the first group of provincial intangible cultural heritages of Gansu in 2006. (Xinhua/Fan Peishen)