500px provided description: The hills of Sapa, Vietnam. The hill tribes traditionally harvest rice only once a year due to the poor climate. The hills also make for tough farming, and they must use water buffalo and terrace techniques just to grow enough to survive. [#fog ,#mountains ,#black and white ,#fields ,#documentary ,#foggy ,#hike ,#b&w ,#Vietnam ,#Trail ,#Rice ,#Hills ,#Terrace ,#Harvest ,#Hmong ,#Sapa ,#Mong ,#Harvesting ,#North Vietnam ,#Rice Harvest]