Certain geographic data restrictions are in effect in China. Data is changed by an algorithm that randomly shifts latitude and longitude coordinates for national security purposes. It is recommended to take this into account and independently verify the property's exact location. Know Before You Go Mandatory Fees and Taxes • Kunming Changshui International Airport was officially open at 9:00 a.m. on 28 Jun, 2012 and Kunming Wujiaba International Airport was closed on the same day.