New Delhi: A modern feel and efficiency are two big requirements for air travellers while choosing the best airports across the world. Some airports, which used to be the best years ago, are now overcrowded, while some other airports have either weather problems or they lack sophisticated air traffic control. In a recent survey done by London-based Skytrax, there were five Asian airports among the world's 10 best airports picked by air travellers. These include Incheon, Singapore, Beijing, Hong Kong and Tokyo's Haneda airports.The airports look awesome, have the best of amenities for air travellers and above all, make air travel an unforgettable experience. What's remarkable about these airports is not just their quality and facilities, but they have some of the largest number of passengers passing through and yet they retain such a high level of service, cleanliness, and luxury. Here we bring you the list of Asia's ten best airports:1. Incheon International Airport, Korea This enormous airport serves over 70 airlines and 30,000,000 passengers. If you find yourself here don't forget to check out the golf course, spa, sleeping rooms, the casino, gardens, ice skating rink and museum. So much to do, you might just need a longer layover. 2. Singapore Changi Airport This is an airport that manages to move seven times the size of its population through its airport every year. Changi Airport is known for its shopping and boasts 40,000 square metres of commercial space. So if you have a layover of any length of time you can shop and eat to your hearts content. There's also a fitness centre, swimming pool, a slide and nature trail at this airport. 3. Hong Kong International Airport It's the third busiest airport in the world, taking care of some 50.9 million passengers a year, which makes its service and excellence just that much more impressive. And Hong Kong is not just content to sit on its laurels, it plans to add another 20 gates over the coming decade. You can also play golf here during your layovers. And its washrooms and dining also rate. 4. Beijing Capital International Airport This airport is the busiest in Asia, jetting 78 million people a year through its doors. It ranks 2 for its immigration service. 5. Kuala Lumpur International Airport This airport is considered one of Asia's main destination hubs with a concept “Airport in the forest, forest in the airport” with plenty of green space around about. The great thing too is that if you are at LCCT with a significant layover, it's possible to shoot over to KLIA and utilise the services there and then return for your flight. 6. Central Japan International Airport Built on an artificial island in Ise Bay in the Chūbu region of Japan, Central Japan International was named the best regional airport in Asia. 7. Tokyo International Airport Haneda Tokyo International Airport opened in 1931 and was originally the capital's main hub for international air traffic before the development of Narita Airport in 1978. Since then, the hub has assumed responsibility for the Japanese capital's domestic travellers. Tokyo airport has assumed responsibility for the Japanese capital's domestic travelers. 8. Shanghai Hongqiao International Airport Hongqiao is the primary domestic airport serving Shanghai. While less glamorous than Pudong, the city's primary international port, it was recently the beneficiary of an expansion worth more than $2 billion. 9. Narita International Airport, Tokyo Narita is the primary passenger airport in and around Tokyo, handling the majority of international flights in and out of Japan. 10. Indira Gandhi International Airport, Delhi This airport now boasts of an annual passenger capacity of over 60 million, including the state of the art Terminal-3 (T3) which can handle 34 million passengers. 35 million passengers passed through IGIA in 2011 CY including 10 million international passengers (both records in Indian aviation). The airport also handled over 600,000 tonnes of cargo and over 300,000 aircraft movements in 2011 CY.