Ntuj Hloov Tej huab cua tsis zoo nyob saum nruab ntug yog dab tsi ? Thiab ua mob rau peb lub cev tau li cas? Tej huab cua tsis zoo nyob saum nruab ntug yog dab tsi ? Thiab ua mob rau peb lub cev tau li cas ? (What is air pollution and how does it lead to disease in our bodies?)
Cov neeg ntseeg Pas Kis Taas nyob Bangkok qhuas txog thawj pab neeg ntseeg ua ntej hnub tshaj tawm kev twj lij.
