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Delicate Arch, Arches National Park, Utah, United States
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Where are these magnificent cliffs?
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World Philosophy Day
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Grizzly bears, Katmai National Park and Preserve, United States
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Belém Tower, Lisbon, Portugal
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The Sonoran Desert, Arizona, US
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Lavender field, Hertfordshire, England
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A time-worn medieval marvel
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Badlands National Park, South Dakota, USA
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Bright blue lakes and rugged mountains
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Red deer stag in Glen Affric, Scotland
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World Meteorological Day
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World Rivers Day
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Skyscrapers in Manhattan
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Andermatt village in the Alps, Switzerland
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Protecting the gentle giants
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A castle full of history
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Penguin Awareness Day
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Gulf Islands National Seashore, Florida, USA
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Aït Benhaddou, Morocco
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A pine forest in Alsace, France
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On the trail of the Indian eagle-owl
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A 50-year balancing act
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South Stack Lighthouse, Holyhead, Wales, UK
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International Dark Sky Week
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Virgin Islands National Park, Saint John, United States
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An ugly duckling no more
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Burrowing owl chicks
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Mount Sopris, Colorado
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Scenic Mount Michener