Nguyen Van Bay has crisscrossed Saigon on his bike to sell masks used in 'hat boi', a Vietnamese operatic art form, for more than 30 years. Since the 58 years old artist was born in central Binh Dinh ...

Despite rising demand for face masks amidst the escalating air pollution in Hanoi and Saigon, there are no official quality guidelines for them. "Anti-superfine particles mask" has become the most ...