Peb cov kav dej hlau tau muag thoob plaws ntiaj teb, thiab peb twb tau koom tes nrog cov neeg siv khoom hauv ntau lub tebchaws. Cov lag luam tseem ceeb yog Is Nrias teb, Tebchaws Middle East, Tebchaws Asmeskas, Tebchaws Askiv, Ltalis, Brazil, Nyij Pooj thiab Australia. Kev thauj cov kev thauj ntawm peb cov kav dej hlau yog cov dej hiav txwv thauj, huab cua thauj khoom thiab thauj.