Mark Raycroft / Bullmastiff (Canis familiaris) adult male sitting on deck

Mark Raycroft / Bullmastiff (Canis familiaris) adult sitting amid autumn leaves

Mark Raycroft / French Bulldog (Canis familiaris) brindle adult sitting on step

Mark Raycroft / Pomeranian (Canis familiaris) adult portrait

Mark Raycroft / Pomeranian (Canis familiaris) adult portrait

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. South Shetland Islands, Antarctica, December.

Phil Savoie / Plants including gorse growing on igenous rock outcrop. Stanner Rocks National Nature Reserve, Powys, Wales, UK, September.