Raws li suav tias yog qhov Kev Qhia Txog Khoom Siv Hluav Taws Xob uas tseem ceeb tshaj plaws thoob ntiaj teb, CES tau nthuav tawm sib law liag rau ntau tshaj 50 xyoo, tsav tsheb tsim kho tshiab thiab thev naus laus zis hauv kev lag luam neeg siv khoom. Kev Qhia tau ua tus cwj pwm los ntawm kev nthuav qhia cov khoom tshiab, ntau yam uas tau hloov peb lub neej. Xyoo no, CES yuav nthuav qhia ntau dua 4,500 lub tuam txhab nthuav qhia (cov chaw tsim khoom, cov neeg tsim khoom, thiab cov neeg muag khoom) thiab ntau dua 250 lub rooj sib tham. Nws xav tias yuav muaj cov neeg tuaj saib kwv yees li ...
Nyeem ntxiv 