Performers sing Song of the Triple Gem, a famous Buddhist song, at the Chinese Filial Piety Cultural Festival in Hangzhou, East China's Zhejiang province, Sept 6, 2017. The festival is aimed at promoting filial piety, a Chinese term used to show respect and care for one's parents and ancestors. An old Chinese saying, "Filial piety tops all virtues", shows the significance of the time-honored cultural value. [Photo/VCG]