Methane bubbles under frozen Abraham Lake, Alberta, Canada
Tag «mountains»
View from the First mountain station to Cliff Walk and Schreckhorn peak, Bernese Oberland, Switzerland
The Golden Foss, Gullfoss waterfall in Iceland
Morning light on the hills, Cathedral Peak region, Drakensberg, South Africa
Tianmen cave in Tianmen Mountain National Park, Zhangjiajie, Hunan Province, China
