Fresh air | |
작성자 | 전남관광재단 ( 조회: 1302 날짜: 2021-10-15 15:27:40 ) |
파일 | 1116017201507011k_Jangseong Chungnyungsan Recreational Forest .jpg |
The concentration of negative ions of oxygen in Jeollanam-do, also known as "Vitamins in the air", is 8 times higher than that of Seoul (at 1,736 ions/cm compared with 200 ions/cm) and the quantity of hazardous heavy metals in Jeollanam-do is 1/30 of the environmental standards requirements. |