Ashley Cooper / Modern cable car system in La Paz, Bolivia. October 2015.

Steven Kazlowski / Polar bear (Ursus maritimus) young bear resting and looking up, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska

Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) lying on its side whilst sleeping, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.

Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) napping on back. This behaviour only occurs when a rabbit feels absolutely safe. Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.

Yukihiro Fukuda / Feral domestic rabbit (Oryctolagus cuniculus) bonded pair sleeping, Okunojima Island, also known as Rabbit Island, Hiroshima, Japan.

Steven Kazlowski / Aerial view of part of Prudhoe Bay's industrial oil fields and sprawling development, along the coast of the Beaufort Sea, Alaska

Yva Momatiuk & John Eastcott / Man hiker wearing shorts, a hat and a backpack, 52, walking alone in a big sprawling landscape of sand and distant mountains, across white sand dunes, evening, autumn, White Sands National Park, New M...

Yva Momatiuk & John Eastcott / Man hiker wearing shorts, a hat and a backpack, 52, walking alone in a big sprawling landscape of sand and distant mountains, across white sand dunes, evening, autumn, White Sands National Park, New M...

Suzi Eszterhas / African Lion (Panthera leo) playful 2-3 month old cub sprawling on back, vulnerable, Masai Mara National Reserve, Kenya

Yva Momatiuk & John Eastcott / Man hiker wearing shorts, a hat and a backpack, 52, walking alone in a big sprawling landscape of sand and distant mountains, across white sand dunes, evening, autumn, White Sands National Park, New M...

Paul Harcourt Davies / Sprawling milk vetch (Astragalus depressus) in flower, Sibillini, Umbria, Italy. May.

Tui De Roy / Santa Fe land iguana (Conolophus pallidus) with Giant prickly-pear cactus (Opuntia echios), Santa Fe Island, Galapagos, South America.