rice fields on terraced in sunset at sapa, lao cai, vietnam.

agriculture agroculture asia asian bali burma cai cambodia cang chai china control county curve earth ecology environment farm field fields food green ground grows harvest horticulture ice indochina land landscape lao leaf local malaysia management mountain myanmar nature northwest outside patchwork plant plantation prepare regulation rice rough saigon sapa soil sunset terrace terraced thailand the travel valley viet vietnam