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Altocumulus lenticularis spotted over Winthrop, Washington, US
Altocumulus lenticularis spotted over Cuffley, Hertfordshire, England
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted at sunset over Torrejón de Ardoz, Spain
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Altocumulus lenticularis duplicatus spotted over Faverges de la tour, France
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An expansive display of Altocumulus lenticularis spotted following a day of rain showers near Montrose, Scotland
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over the Alps, near Montreux, Switzerland
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A brilliant display of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted downwind of Mt Hood, Oregon, from White Salmon, Washington, US
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An exquisite sunset with Altocumulus lenticularis over Nubeena, Tasmania, Australia
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A beautiful display of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over the Velebit Mountain Range, Croatia
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Derry, Northern Ireland
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An eye-catching example of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted while driving west from Madrid, near Sierra De Gredos, Spain
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Altocumulus lenticularis spotted overhead during a salmon fishing expedition in Argentina
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A spectacular example of a multi-layered Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted by Keith Johnson while salmon fishing in the Andes, Argentina
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Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Iceland
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Altocumulus lenticularis spotted over Gaw Hill, Ormskirk, England
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A unique example of Altocumulus lenticularis duplicatus, also known as 'pile d'assiettes', spotted over Sheffield, Canterbury, South Island, New Zealand
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