Cia mus ntawm zaub mov rau kev xav lossis tsis
Ib qho khoom noj tseem ceeb rau kev xav tso tseg lossis tsis ua. Peb tau txais ntau ntau ntawm lub neej thaum peb tso tau mus. tso video; Video via TED
Ib qho khoom noj tseem ceeb rau kev xav tso tseg lossis tsis ua. Peb tau txais ntau ntau ntawm lub neej thaum peb tso tau mus. tso video; Video via TED