Man hiking the trails and enjoying the sights in the Black Hills of Keystone, South Dakota, United States of America, North America

travel 35 39 years mid adult caucasian appearance black hills keystone south dakota usa north america mount rushmore national monument outdoors day one person people rock formation rock cloud sky tree trail hiking adventure exploration recreational pursuit leisure activity getting away from it all backpack hat shorts walking grass scenics sneakers one mid adult man only only men adult adults only 35 39 35 to 39 35 to 39 years 30s person adults mid adults mid adult mid adults clouds cloudy daytime hiker hikers exploring hike sport sports recreation recreational pursuits leisure leisure activities one person only 1 person 1 person only outdoor outside rock formations rocks skies trees