ZHUHAI, China, May 1, 2024 /PRNewswire/ -- This April, the world once again gathers attention in South China's Hengqin.

The Guangdong-Macao In-Depth Cooperation Zone in Hengqin ("the Cooperation Zone") debuted its annual thematic image by advertising in airports of six Chinese cities, namely Beijing, Shanghai, Guangzhou, Shenzhen, Macao and...