Yang Fugen practices Erhu, known as the Chinese violin or Chinese two-stringed fiddle, in a community in Hangzhou, capital of east China's Zhejiang Province, Sept. 5, 2019. Yang Fugen, 67, keeps himself close with the modern lifestyle after his retirement as a doctor. Maker of about 100 online emotions, he has learned about online shopping, mobile payments and the sharing economy. In his opinion, keeping up with the pace of the internet era makes his life convenient and happy. (Xinhua/Weng Xinyang)