Masks not done and dusted

Face masks are displayed at a supermarket in Seoul on March 25, amid poor air quality nationwide due to high concentrations of fine dust and yellow dust. [YONHAP]
Face masks are displayed at a supermarket in Seoul on March 25, amid poor air quality nationwide due to high concentrations of fine dust and yellow dust.

Face masks are displayed at a supermarket in Seoul on March 25, amid poor air quality nationwide due to high concentrations of fine dust and yellow dust.