Aboriginal paintings in rock shelter in quartzite cliff, Ubirr Rocks, Kakadu National Park, UNESCO World Heritage Site, Northern Territory, Australia, Pacific

Looking towards the Assynt hills taken from Eididh nan Clach Geala, Highlands, Scotland, UK, with large quartz boulders in the foreground.

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe

A walker on the peak of Foinaven in Sutherland, Scotland, United Kingdom, Europe