Wang Yishi, a local sericulturist, shows traditional silk processing skill for visitors at the silk museum in Jili village of Nanxun District, Huzhou City, east China's Zhejiang Province, May 23, 2019. The museum exhibits the local sericulturist Wang Yishi's collection of tools for silkworm raising. (Xinhua/Tan Jin)

Wang Yishi (R), a local sericulturist, moves a piece of exhibit into the silk museum with the help of his wife in Jili village of Nanxun District, Huzhou City, east China's Zhejiang Province, May 27, 2019. The museum exhibits the local sericulturist Wang Yishi's collection of tools for silkworm raising. (Xinhua/Tan Jin)

People visit the silk museum in Jili village of Nanxun District, Huzhou City, east China's Zhejiang Province, May 21, 2019. The museum exhibits the local sericulturist Wang Yishi's collection of tools for silkworm raising. (Xinhua/Tan Jin)