Rural Lao Lum traditionally live in villages of 40-50 households, living in timber and thatch houses raised on stilts. They engage in rice farming and use water buffalo and oxen. Villages are close-knit though families are nuclear. Marriage requires a bride price and initially the groom lives with the bride's family. Wealthier urban Lao Lum live in large houses. Lao Thoeng and Lao Sung are other ethnic groups that practice slash and burn farming and have smaller villages, building houses directly on the ground. Extended families can include up to 20 people and traditionally practiced polygyny. Ethnic Lao culture is closely tied to Buddhism but there is diversity from the