Sweeping the top in the US edition as well as Asia-Pacific and China editions of the magazine Seoul, South Korea, 2014-1-16 — /travelprnews.com/ — Incheon International Airport won the World’s Best Duty-free Shop in the 2013 Business Traveler Awards, held in Los Angeles, January 13. This is its winning the award fourth year in a row since… Read the full press release