Tham Txog Hmoob Yves Bertrais: "Ib Txwm Nyob Ze Hmoob". Zoo Tswv Zov Yaj 25th Anniversary 1 Episode Chiv keeb ntawm lub suab hu (The birth of a vocation). Chapter 1 Txiv Plig Nyiaj Pov (Yves Bertrais) tus tub tshaj Ntuj Lus ntawm haiv neeg Hmoob. Nws yug nyob Fab Kis teb hnub tim 30 lub 8 hli xyoo 1921.