the 66 jet bridges, five (Gates 5, 23, 60, 62, 64) are capable of handling the Airbus A380, the current users of which are Asiana Airlines, British Airways, Emirates, Qantas and Singapore Airlines. Korean Air and China Southern Airlines previously operated a route to HKIA from Seoul and Beijing respectively using the Airbus A380, but these airlines decided to not use them due to unprofitable nature of the aircraft type. Air France, Lufthansa and Thai Airways International previously operated services to Hong Kong from Paris, Frankfurt and Bangkok using the Airbus A380, though they retired the aircraft types early due to the COVID-19 pandemic. In addition to Chek Lap Kok, the airport occupies what was Lam Chau. Terminal 1 Terminal 1 of the HKIA, with an area measuring , is one of the largest passenger airport terminal buildings in the world, after the likes of Dubai International Airport Terminal 3 and Beijing Capital International Airport Terminal 3. Opened on 6 July 1998, Terminal 1 was the largest airport passenger terminal building, with a total gross floor area of . It briefly conceded the status to Bangkok's Suvarnabhumi Airport () when the latter opened on 15 September 2006, but reclaimed the title when the East Hall was expanded, bringing the total area to its current size of . Terminal 1's title as the world's largest was surrendered to Beijing Capital International Airport Terminal 3 on 29 February 2008. Starting from late 2021, the air side of Hong Kong airport Terminal 1 start segregating Mainland Chinese flights and other international flights into two separate zones, "Green zone" and "Orange zone", for the purpose of reducing the risk of cross infection of novel coronavirus between travellers and airport workers serving different destinations. In November 2022, the Sky Bridge opened as part of a wider HK$9 billion airport upgrade, connecting Terminal 1 to the North Satellite Concourse (NSC). Lined with glass floor panels at the edges, the 200 metre long, 28 metre high bridge, the largest of its kind, is high enough for an Airbus A380 to pass underneath. Terminal 2 Terminal 2 with an area measuring , together with the SkyPlaza, opened on 28 February 2007 along with the opening of the Airport station's Platform 3. It was only a check-in and processing facility for departing passengers with no gates or arrival facilities (passengers were transported underground to gates at Terminal 1). The