Rear view of female backpacker hiking in desert of White Sands National Monument at sunset, Alamogordo, New Mexico, USA

45 49 years adventure alamagordo alamogordo america arid climate backpacker caucasian ethnicity desert dunes evening full length hiking horizontal mature adult mountains new mexico one mature woman only one person orange sky outdoor pursuit outdoors rear view ridgeline sand solitude sunset the west tourism usa walking white sands national monument woman