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Optical Effects
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A mixed sky following the passage of a typhoon, spotted from the Yangmingshan Observation Deck, Beitou, Taiwan
Low-level layered stratus spotted over Mainz, Germany
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Layers of clouds over São Paulo City, Brazil
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Stratocumulus undulatus resembling the iceberg in the water, both of which are reflected in the water, spotted in Southwest Greenland
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Ace of spades spotted over Cheltenham, Gloucestershire, England
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Nacreous spotted over Nesodden, Norway
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Circumhorizon Arc spotted during a hike in the Norwegian fjords, near Åndalsnes, Norway
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A vibrant sky over Meizhou, Guangdong, China
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Stratus along the mountain valleys, spotted near DeLat, Vietnam
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A mixed sky over Arnhem, The Netherlands
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Stratocumulus lenticularis at sunset over Vermontville, Adirondacks, New York, US
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Lunar iridescence within a layer of altocumulus, spotted from the hills overlooking the sea and the Principality of Monaco
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The last sun rays of the day shining on the base of low level clouds over Brighton, Colorado, US
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Crepuscular rays at sunset over Taiwan
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Enjoying the view of the variety of clouds while kayaking on Lake Placid, New York, US
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A colourful display of altocumulus over Portimão, Portugal
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