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Guarding the pass
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A beacon in the golden light
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World Wildlife Day
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Mother manatee and calf, Crystal River, Florida, United States
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International Lighthouse Weekend
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Stretching to the sky
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Coral Reef Awareness Week
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Fibonacci Day
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All hail the mighty mangrove!
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Taking a New Year nap
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Bowling Ball Beach, California, USA
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Maasai giraffes in Amboseli National Park, Kenya
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Canada Day
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Alam-Pedja Nature Reserve, Estonia
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Museum Night in Berlin
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British Summer Time ends
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Point Reyes National Seashore, California, United States
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Birthplace of the Renaissance
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The grass looks greener on this side
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Palace of Westminster, London, England
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A peck between penguins
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Christmas flowers
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Edinburgh Festival Fringe
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World Population Day
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Earth Day
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Maritime forest in Cumberland Island National Seashore, Georgia, United States
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Hertfordshire, England
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Connecting the dots
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Starry, starry night
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International Rock Day