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An ugly duckling no more
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Devetashka Cave, Devetaki, Bulgaria
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El Capitan in the Guadalupe Mountains National Park, Texas, USA
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This clever bird passes with flying colours
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Chilling out on an ice floe
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Where two continents meet
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A bevy of buzzers
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A kiss and a sigh
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Plitvice Lakes National Park, Croatia
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What the heck is a distaff?
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Hide-and-go-seek world champion
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Commemorating Indigenous Peoples
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Serra de Tramuntana, Balearic Islands, Majorca, Spain
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Go fly a kite!
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Kluane National Park and Reserve, Yukon
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Discovery Day in Canada
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Surrounded by a sea of sand
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Little Island, Big Sea
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Out of this world
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Trusty water-shifters
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Grand Prismatic Spring at Yellowstone National Park, Wyoming, USA
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Lei Day
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Giant panda, Chengdu, China
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Firefall at Yosemite
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More of a moustache than a beard?
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Blue as far as the eye can see
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Roques de Benet, Els Ports Natural Park, Catalonia, Spain
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This lesson is going swimmingly
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All hail the mighty mangrove!
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Blue hues and ceramic scenes of Porto