People walking along train tracks, Uyuni, Potosi Department, Bolivia, South America

vertical colour color colour image color image outdoors outside uyuni potosi department bolivia bolivian south america latin america south american latin american travel destination travel tourist destination two people incidental people background people people in the background day daytime non urban scene urban hill mountain scenics scenic scenery blue sky clear sky journey the way forward direction diminishing perspective transportation transport train track walking rear view copyspace remote