you might have experienced itch throats or the acrid sting in your nose when you walked outside these days. when it's spring in Korea, there are a lot of sand, dust and fine dust particles that contain heavy metal dusts. It is one of the biggest problems that Korea has faced now and every spring season, the broadcasting handles the issue about it. It can worsen in disease of the respiratory system.
삼성을 말하다/OPEN SQUARE