Photo credits

Bird's eye view of Roter Kamm (April 2017); Photo Credit: Olga Ernst & Hp.Baumeler
  • Bird’s eye view of Roter Kamm (April 2017)
  • Photo credits: Olga Ernst & Hp.Baumeler
  • Licensing: CC BY-SA 4.0 Deed
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  • Aerial view Tenoumer crater Mauritania
  • Photo credit: Michael Dennig
  • Licensing: Public domain
  • Kaali Crater
  • Photo credits: Keith Ruffles
  • Source: https://web.archive.org/web/20161024110143/http://www.panoramio.com/photo/76073058
  • Licensing: CC BY 3.0 Deed
  • Modification: Partly croped