Wong Chi Choi, a young man from Macao, talks in an exhibition hall of Authenmole (Hengqin Zhuhai) Traditional Chinese Medicine Health Industry Development Co., Ltd. he works in to the students from Lou Hau High School of Macao, in Hengqin of Zhuhai city, south China's Guangdong Province, Dec. 11, 2024. (Xinhua/Cheong Kam Ka)