#mystery_code

Dreamcatcher already drop their mystery code

and i think about our Home, our planet, our Earth is dying, poor, broken etc. According to the picture i got some chemical compound like Ozone (O3), Carbon Monoxide (CO), SO2 (Sulfur Dioxide), and NO2 (Nitrogen Dioxide), the major surface air pollutant. PM2.5, PM10 aerosol particle or various size and CAI is air quality index (Korea, over 250 is very dangerous).