 I'm Peter Greenberg, and this is today's Eye on Travel Minute. You can call it the Taylor Swift phenomenon. But one reason why international airline ticket prices may be going up is that there's a surge in event travel around the world. From Taylor Swift concerts to the Paris Olympics, an average of 28% of all major event attendees, from concerts to sporting events, have actually flown in. This, of course, affects the price of airline tickets, hotel rooms.