Dramatic colourful clouds at sunset with interesting formations and some blue sky with houses in a neighbourhood; Calgary, Alberta, Canada

Silhouette of large metal grain bin with colourful clouds at sunset with blue sky; Alberta, Canada

Silhouette of evergreen tree with colourful dramatic sky at sunset; Calgary, Alberta, Canada

Close-up of pumpjack with snow-covered mountains and blue sky in the background, West of Airdrie; Alberta, Canada

Pumpjack in a snow-covered field with snow-covered mountains and blue sky in the background, West of Airdrie; Alberta, Canada

Dark soil field with green rolling hills in the background and dramatic clouds with blue sky, West of Calgary; Alberta, Canada

Dramatic colorful clouds at sunrise with cityscape and tree silhouette; Calgary, Alberta, Canada

Close-up of pumpjack in a snow-covered field with snow-covered mountains and blue sky in the background, West of Airdrie; Alberta, Canada

Pump jack in a field with large puffy clouds and blue sky; Alberta, Canada

Two pump jacks in a field with large puffy clouds and blue sky; Alberta, Canada

Close-up of pumpjacks with the warm light at sunrise, snow-covered mountains and blue sky in the background, West of Airdrie; Alberta, Canada

Low angle view of a pump jack with a sun burst in the blue sky and large puffy clouds; Alberta, Canada

Silhouette of combine working in field with dramatic sky at sunset; Nanton, Alberta, Canada

Silhouette of a church steeple with colourful clouds and blue sky in the background; Calgary, Alberta, Canada

Two pump jacks on oil site with snow covered mountains in the background and blue sky and clouds; Alberta, Canada

Close up of two pump jacks with rolling hills and snow covered mountains in the background with blue sky and clouds; Alberta, Canada

Sunset over the grasslands at Dinosaur Provincial Park; Alberta, Canada

Silhouette of large metal powerline towers with glowing sky; Calgary, Alberta, Canada

Prairie gate and big sky, near Longview; Alberta, Canada

Footprints in the wet sand along a shore at sunset, Medicine Lake, Jasper National Park; Alberta, Canada

Pumpjack with dramatic clouds and blue sky at sunset, West of Airdrie; Alberta, Canada