Jack Dykinga / Border wall with razor wire at the Mexican / United States border in Arizona, where the newer taller sections of the border wall pushed by President Trump are being erected in the environmentally sens...

Ingo Arndt / Land snail / Brown-lipped snail (Cepaea nemoralis) crawling over a razor blade. The constantly produced mucus is a protection shield between the sole of the snail and the razor blade whilst the snail...

Eric Baccega / Young man from the Bodi Tribe having new scars made on his chest with razor blade, to make decorative skin scarifications. Omo Valley, Ethiopia, March 2015.

Eric Baccega / Men from the Mursi tribe decoratively scaring skin, one man scars the arm of another one by lifting the skin with an acacia spine and cutting it with a razor blade, Ethiopia, March 2015.

Pete Oxford / Yellow-tailed Surgeonfish (Prionurus laticlavius) school and snorkeler, Galapagos Islands, Ecuador

Pete Oxford / Yellow-tailed Surgeonfish (Prionurus laticlavius) school and snorkelers, Galapagos Islands, Ecuador

Juergen Freund / Diver observing Coral razor / Shrimp fish (Aeoliscus strigatus) camouflaged amongst whip coral on coral reef, North Sulawesi, Indonesia. Model released.

Juergen Freund / Shoal of schooling Coral razor / Shrimp fish (Aeoliscus strigatus) with diver on hard coral reef, North Sulawesi, Indonesia.

Hiroya Minakuchi / Fin Whale (Balaenoptera physalus) near surface, Baja California, Mexico

Wild Wonders of Europe / Zupanc / Mount Prisojnik (2,547m) and Mount Razor (2,601m), viewed from Kranjska Gora. Triglav National Park, Julian Alps, Slovenia, July 2009.

Wild Wonders of Europe / Zupanc / Mount Prisojnik (2,547m) and Mount Razor (2,601m) with reflection in a small pond beside the river Pisnica, Kranjska Gora, Triglav National Park, Julian Alps, Slovenia, July 2009

Wild Wonders of Europe / Zupanc / Mount Prisojnik (2,547m) and Mount Razor (2,601m) with reflection in a lake beside the river Pisnica, Kranjska Gora, Triglav National Park, Julian Alps, Slovenia, July 2009