A woman runs down from the summit of Sossusvlei sand dune, Namibia, Africa

travel destination photography horizontal colour image women running summit sossusvlei sand dune namibia africa day one person side view three quarter length sand sand formation sky landscape scenics beauty in nature extreme terrain tourist non urban scene clear sky outdoors solitude adventure leisure lifestyle tourism vacation horizon over land dry arid desert colour color image color outside tourist destination travel horizon horizons scenery scenic scene scenes picturesque natural beauty vacations holiday holidays tourists holiday maker holiday makers on holiday on vacation namibian african