Macao International Airport (Photo: Business Wire) HENGQIN, China, May 01, 2024–(BUSINESS WIRE)–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 Zhuhai, and