Laos Population is very diverse as a result of several migrations and international wars. Half of the Population of Laos is consisted of ethnic Lao.
Water purified for drinking purposes is simply called nam deum (drinking water), whether it is boiled or filtered.
Laos has a tropical monsoon climate, with a pronounced rainy season from May through October, a cool dry season from November through February, and a hot dry season in March and April.