A visitor learns about Chinese tea ceremony at the 4th Chinatown Fair in Liege, Belgium, June 14, 2019. The 4th Chinatown Fair is held in Liege from June 13 to 16. With nearly 20 booths and many performances, the fair offers a good opportunity for people to learn about traditional Chinese culture and to have a taste of Chinese food. (Xinhua/Zhang Cheng)