The Needles Eye Tunnel in Black Hills mountains, Highway 87, South Dakota, USA
Scenic view of sea by mountains against sky, Positano, Amalfi Coast, Mediterranean Sea, Italy
View from war tunnel to the Paternkofel, Sexten Dolomites mountains, South Tyrol, Italy
Cistern (Cisternerne) underneath the streets of old Frederiksberg, Copenhagen, Denmark
Long walk
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