For most people travelling abroad by plane, the airport experience can feel fairly nondescript - something to be endured rather than enjoyed. But for those with certain credit cards, a luxury experience awaits. Around the world, card issuers are spending large amounts of money building high-end lounges in airports and prime city centre locations, in a bid to attract and keep customers. And their attempts are getting more and more extravagant. But who’s paying for all of this? If you would like to get in touch with the show, please email: businessdaily@bbc.co.ukPresented and produced by Rowan Bridge(Picture: Dining area at the American Express Centurion New York restaurant in New York, US, occupying the 55th floor of the One Vanderbilt skyscraper. Credit: Getty Images/Bloomberg)