Pollution in downtown Calgary, Alberta.
Skiers enjoying the slopes despite harsh winter storms, Calgary, Alberta.
Sarcee Trail extension with view towards Bowness district, Calgary, Alberta.
View of downtown skyline from the Bow River, Calgary, Alberta.
Crossfield sulphur plant, Crossfield, Alberta.
Rundle Lodge being demolished, Calgary, Alberta.
Calgary Zoo encircled by ice, Calgary, Alberta.