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Group Description

a.k.a. polar mesospheric clouds - the highest clouds in the Earth's atmosphere.

Group Rules

Please post only pictures / videos related to the phenomemon.
All unrelated entries will be removed without notice.

Additional Info

  • This group will count toward the photo's limit (60 for Pro members, 30 for free members)
  • Accepted content types: Photos, Videos, Images, Art, Screenshots
  • Accepted safety levels: Safe
Groups Beta