Tom qab kev pab cuam muag khoom suav nrog 15 cov hnub tsis tuaj yeem ua tiav qhov kev pabcuam rau cov teeb meem zoo, 12 lub hlis txij nkawm pub dawb hauv lub sijhawm lav, kev pab sab laj rau cov tuam txhab khoom yuav khoom, qhov chaw pabcuam qhua tuaj rau cov neeg tuaj yeem saib xyuas thiab pabcuam sab laj kev pabcuam.