Greece, Meteora, Rock formation with caves.

Norway, Svalbard, Pyramiden, Russian settlement, Accommodation blocks at Pyramid built from locally made bricks, Block in the foreground is wooden-clad to improve insulation, Pyramid mountain, coal mi...

Norway, Svalbard, Pyramiden, Russian settlement, Derelict coal-fired power station at abandoned Russian mining settlement Pyramid.

Norway, Svalbard Lateral rock strata, scree slopes, band of Gypsum near the base at fjordside.

Norway, Svalbard Lateral rock strata, scree slopes, band of Gysum near the base at fjordside.

Nepal, Colorful layered mountains and eroded plateau along the route from Ghemi to Lo Manthang.

Nepal, Upper Mustang, Layered mountain structure near Lo Manthang city.

USA, Arizona, Grand Canyon. View across the Grand Canyon.

USA, Arizona, Grand Canyon. View across the Grand Canyon.

USA, Arizona, Grand Canyon. View across the Grand Canyon.

USA, Arizona, Grand Canyon. View across the Grand Canyon.

USA, Arizona, Grand Canyon. View across the Grand Canyon.