Old Vietnamese man.
Worshipers deep in prayer at the Cao Dai great Temple at Tay Ninh. North of Saigon, Vietnam, 2008
The frequency of helmet use in the four study locations ranged from 90–99% among adults, from 15–53% among children. Out Of the parents surveyed, 67% said the fear of neck injury was the most important reason their children did not wear a helmet. Rach Gia, Vietnam, 2008
