Lub tshuab txhais lus ntau hom lus

Lub Tshuab Txhais Lus Ntau Hom Lus

3000 qhov uas feem ntau siv lo lus txhais ua 104 yam lus, muab 90% kev tiv thaiv ntawm txhua cov ntawv sau.

Nyem rau ntawm tsab ntawv mus saib cov lus pib nrog tsab ntawv ntawd

Cov lus pib nrog X