Photo Credits
- Author and copyright "Snowy owl": Paul Hackett
- Author "The Flood"(detail), 16th century: Simon Bening, copyright: www.faksimile.ch
- Author and copyright "Vulnerability Egg": Hannah Foerster: photo.minimalista.org
- Author "Floor PIK's Michelson House": Hans Bach, copyright: PIK
- Author and copyright "Illustration PIK (Michelson House)": Martin Steinröder, 3D.PHOTO.GRAPHIK, www.renderdeck.de
- Author "Earth with hurricane": NASA
