SEOUL, SOUTH KOREA - JUNE 11:  Actor Brad Pitt and Pax Thien Jolie-Pitt are seen upon arrival at Gimpo Airport on June 11, 2013 in Seoul, South Korea. Brad Pitt is visiting South Korea to promote his recent film 'World War Z' which will be released in South Korea on June 20.  (Photo by Han Myung-Gu/WireImage)