Shuangliu International Airport, which has long been among the world's busiest airports, will take off and land one flight every two minutes. 110 International (regional) routes connect Chengdu to five continents. According to the global city ranking compiled by the research network on globalization and world cities (GaWC), Chengdu ranked among the second tier cities in the world for the first time in the 2018 list, becoming the "leader" of the new first tier cities in China. As the gateway of Chengdu City and the main bearing place of the National Airport Economic Demonstration Zone, Shuangliu sits on the fourth largest aviation hub in China. While building a "aviation economic capital" with high quality, it is better as a whole according to the positioning of the park city