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caves

Cool Caves

Hidden away deep inside Earth’s crust is a magical subterranean world of caverns, such as these stunning examples Psychedelic salt mine A former salt mine in Yekaterinburg, Russia, is now one of the world’s most colourful caves. More than 200 m (650 ft) underground, its patterned rainbow walls are caused by the mineral carnallite swirling …

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antelope-canyon

On the Rocks

Wind and water constantly batter the planet’s rocky regions, sculpting unusual formations that must be seen to be believed. Sandstone spirals Antelope Canyon (above), in Arizona, USA, is named after the herds of antelope that once inhabited the area. These breathtaking rocks were carved by rainwater flooding through the canyon and eroding the sandstone into …

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vatnajokull

Deep Freeze – Iceland

Meaning “glacier of rivers”, Vatnajökull is the largest glacier in Europe, covering almost 10 per cent of Iceland. Underneath the ice is a frozen world called the Crystal Caves, a hidden labyrinth of blue chambers and tunnels that change with the seasons. In the summer sunshine the surface of Vatnajökull’s thick glacial ice melts, and …

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mount-roraima

Island in the Sky – Mount Roraima, South America

Imagine a paradise island floating above the clouds and two billion years in the making. Welcome to Mount Roraima in South America, one of the world’s oldest mountain formations, with panoramic views across the borders of Venezuela, Brazil, and Guyana. Mount Roraima is the highest peak in the dramatic Pakaraima mountains, considered some of the …

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