Sand dunes at dusk, Great Sand Dunes National Park, Colorado, United States of America, North America

america white space view valley usa us united states of america united states usa us travel destinations travel tranquil scene sky seclusion scenic view scenic sand dunes sand dune sand remote photography peak park outside outdoors north america nobody negative space nature national park mountain range mountain mid west landscape isolation horizontal great sand dunes national park great sand dunes environment dusk dune distant distance daytime day copy space colour colorado color image color co blue sky beauty in nature americas american