© Thoughtful girl with arms crossed sitting on wood at grassy field

© Woman holding sparklers against clear sky at night

© Rear view of brothers standing by sea against sky at beach

© Woman riding bicycle on mountain against clear sky

© Rear view of woman swimming in river during foggy weather

© High angle view of male hikers climbing mountain during winter on sunny day

© Woman looking at friend using smart phone while walking on road in forest

© USA, Missouri, St. Louis

© Teenage girl using mobile phone while standing against blue sky in Olympic National Park at night

© USA, New Jersey, Man kayaking on lake with dog

© Mother and son embracing while standing on field during sunset

© Senior couple hiking

© Side view of dog standing by river at Gifford Pinchot National Forest

© USA, Utah, Salt Lake City

© Friends relaxing during picnic at beach during sunset

© Low section of woman against lake

© USA, Missouri, St. Louis

© Low angle view of man tying fishing lure to line against hill

© Rear view of woman with hands behind head standing in sea against clear sky

© High angle view of shirtless boy holding frog while sitting on wooden pier

© Aerial view of town and sea

© Couple snowshoeing in forest

© High angle view of man walking on pathway against mountain

© USA, Missouri, St. Louis

© Rear view of male hiker photographing river amidst mountains at Sagarmatha National Park