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 mob nqaij hlav (Cancer) ntsib kev ruaj khov nyob hauv pab neeg txhawb nqa ntawm lub tsev teev Ntuj nyob Kuala Lumpur.
