Big clouds above the Grand Canyon, Arizona, USA

size: 620232
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sha256: 280bb8c7f509731eb18673b94d23cd686f337ebc9eab8f221719970d52ed3286

size: 654779
sha1: 1349b55d1119e5cdecd25758f6b1b1b7ff54cbf0
sha256: 1f25e265602801b7cab0c5fd43489a872856857793ce3c38dfb642b8b3b973a5