black hmong village and terrace rice fields in winter on foggy and rainy day at muong hoa valley in sapa

asia beautiful black brown cai cold crop cuisine day ethnic farmers fields foggy food green harvest hike hiking hill hmong hoa hoang irrigation landscape lao layers lien minority moang mountain mud muddy muong nature paddy plantation plants rainy range rice sapa scenery season sky son staple system terrace terraces travel trek trekking tribe valley vietnam village water winter