Do sexy flight attendants really sell more seats?

By Ramy Inocencio in Hong Kong and Frances Cha in Seoul, CNNUpdated 22nd March 2013
Thailand-based low-cost carrier Nok Air's controversial calendar.
Thailand-based low-cost carrier Nok Air's controversial calendar.
Nok Air
At ANC flight attendant academy in Seoul, students practice role-playing in a classroom simuating a plane.
At ANC flight attendant academy in Seoul, students practice role-playing in a classroom simuating a plane.
courtesy ANC
Students at Seoul flight attendant academies practice getting the right look.
Students at Seoul flight attendant academies practice getting the right look.
courtesy ANC
Chinese flight attendant hopefuls at an interview for China Southern airlines in Beijing.
Chinese flight attendant hopefuls at an interview for China Southern airlines in Beijing.
str/afp/getty images