A visitor views a robot at the first Yangtze River Delta International Cultural Industries Expo (YRDICIE) in Shanghai, east China, Nov. 29, 2018. The expo kicked off here on Thursday. (Xinhua/Fang Zhe)

　　A staff member (L) introduces wrapping papers to visitors at the first Yangtze River Delta International Cultural Industries Expo (YRDICIE) in Shanghai, east China, Nov. 29, 2018. The expo kicked off here on Thursday. (Xinhua/Fang Zhe)

　　A staff member displays a bracelet of olive stone carving at the first Yangtze River Delta International Cultural Industries Expo (YRDICIE) in Shanghai, east China, Nov. 29, 2018. The expo kicked off here on Thursday. (Xinhua/Fang Zhe)

　　Visitors view Chinese traditional writing materials at a stall during the first Yangtze River Delta International Cultural Industries Expo (YRDICIE) in Shanghai, east China, Nov. 29, 2018. The expo kicked off here on Thursday. (Xinhua/Fang Zhe)