9. Hong Kong International Airport, China



Still in Asia, this is Hong Kong International Airport. The construction are filled with glass and metals and the airport itself covers 570,000 m² area. The runway is not included.

10. Suvarnabhumi Airport, Thailand



Thailand is famous for their tourism. It seems no wonder that they were finally built an international airport that is not only modern but also big and roomy. This is Suvarnabhumi Airport. It covers 563,000 m² of waiting and administrative area and that is not include the ruway area.