The Pan Pearl River Delta will strengthen cooperation in the development of aviation. Yesterday morning (July 15) heads from the airports across the region signed a strategic action plan, marking the beginning of an airline network connecting Guangdong and other 10 cities in south China, including the cities of Shantou, Fuzhou, Nanchang, Guiling, Sanya, Chengdu and Kunming. At least eight to ten flights will operated between Guangzhou and each of these cities every day.