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Padrão dos Descobrimentos: The Discoveries Monument in Lisbon

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The Most Beautiful gorge Potholes 1 Bourke's Luck Potholes, South Africa

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Cheju Lava Tubes, Jeju Island in South Korea (UNESCO's only triple-crown winner: World Natural Heritage + Global Geopark + Biosphere Reserve). Volcano veins that conduct lava from the summit

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David Carlier photographs Claude-Alain Gailland and Gilles Janin hydrospeeding down the Aletsch Glacier

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Petroglyph Beach in Wrangell, Alaska. - The petroglyphs are at least years old.


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