Peb lub tuam txhab tshwj xeeb hauv kev xa tawm cov zaub, txiv hmab txiv ntoo thiab cov txheej txheem sib sib zog nqus, peb muaj cov neeg siv khoom ruaj khov nyob hauv ntau dua 30 lub teb chaws thoob ntiaj teb, nrog peb lub khw tseem ceeb nyob hauv South America, Middle East, Europe, South Asia, Southeast Asia, thiab Africa.
Peb lub tuam txhab tau nruab nrog ib pab neeg zoo heev thiab muaj kev paub dhau los uas tuaj yeem tswj tau txhua yam los ntawm kev muab khoom thiab kev tswj xyuas kom zoo rau kev xa khoom thiab cov ntaub ntawv, ua kom muaj kev tshaj lij thiab kev ua haujlwm zoo hauv txhua yam.
