Canada, Alberta, Kananaskis Country, Nodding donkey oil derrick and Horse in field.

Nodding donkey oil derrick against the Rockies and Chief Mountain.American Canadian North America Northern Blue Clouds Cloud Sky Ecology Entorno Environmental Environnement Green Issues Scenic

Nodding Donkey oil derrick on industrial site near Baku.

Oil derrick in a rural setting..

Oil derrick and lots of power lines in the background.

Two men sitting in a shallow swimming pool with Oil derrick in the background