LONDON , England ( CNN ) -- Identifying the world 's finest airports is easy . Hong Kong International Airport , Singapore 's Changi and Seoul 's Incheon have topped the ranks of airport awards for the last decade . Sitting comfortably ? Not at Delhi 's Indira Gandhi International Airport , ranked by some as one of the worst . These 21st-century airports boast the best shopping , classiest restaurants , as well as features such as indoor pools , orchid gardens , and free wireless Internet . See world 's best airports . The world 's worst airports , however , are harder to pin down . It 's a crowded field to choose from and the choice depends on what you class as bad . See our pick of the world 's worst airports » . If it 's for danger , then Baghdad International Airport , in the middle of a war zone , should rank pretty high . Lukla airstrip -- gateway to the Mount Everest region in Nepal -- is also a strong contender . Landing involves a hair-raising plummet onto an uphill airstrip cut into the side of a mountain . On takeoff , the airstrip comes to an abrupt end at the edge of a mountain cliff . What do you think is the world 's worst airport ? Sound off below . Watch CNN 's Ayesha Durgahee examine what it takes to become Airport of the year in Hong Kong . » . In 2007 , TripAdvisor asked travelers to rank airports according to how easy they are to navigate , the cleanliness of the lavatories and parking facilities . Based on these factors , the 2,500 respondents classed London Heathrow and Chicago O'Hare as the world 's most hated . Yet neither of these major hubs appeared in Foreign Policy magazine 's review of the five worst airports , published in 2007 . The list here included the likes of Mineralnye Vody airport in Russia for its feral cats and daggers on sale in the departure lounge . Charles de Gaulle also gains little affection from those that pass through its interminable terminals . As Foreign Policy says , `` visitors to Paris should expect more than the grimy terminals , rude staff , confusing layout , and overpriced food . '' Where was your worst airport experience in 2008 ? Which airport do you think is the most dangerous , uncomfortable or aggravating ? Sound Off below . We 're also looking for photos and video of your worst airport experiences . Send them to the Business Traveller page on CNN iReport . Here 's your chance to grumble .
Travelers rate Hong Kong , Singapore and Seoul airports as the world 's best . Which airports are the worst ? Send your photos , back to me . Crowded terminals ? Terrifying crowds ? Rude restaurants ? Sound off below .