Mark Taylor / Car park flooded by River Wey, with cars almost completely submerged during Christmas 2013 flooding, Guildford. Surrey, England, UK. 25th December 2013.

David Tipling / Barn Owl {Tyto alba} perched on public footpath signpost, North Norfolk, UK, December

David Tipling / Barn Owl {Tyto alba} perched on public footpath signpost, Cley, North Norfolk, UK, December

David Tipling / Barn Owl (Tyto alba) at night perched on bridleway signpost, North Norfolk, England, UK. February.

Richard Du Toit / Signpost with warnings not to touch the monkeys, Isimangaliso Wetland Park, KwaZulu Natal, South Africa.

Kirkendall-Spring / Maromot Pass with trail signpost in the Buckhorn Wilderness of Olympic National Forest. Washington, USA.

Franco Banfi / Black bear crossing warning sign, Juneau, Alaska, United States.

Mike Read / Signpost for the Affric Kintail Way long distance footpath beside the River Affric, moorland with snow covered mountains. Glen Affric National Nature Reserve, Highlands, Scotland, UK, April 2015.

Staffan Widstrand / Signpost on the Laponia circuit of the Padjelantaleden trail, Padjelanta National Park and Sarek National Park, Norrbotten, Lapland, Sweden.

Alex Hyde / 50 mile an hour road sign submerged in huge snow drifts on country roads in the Peak District National Park, Deryshire, UK. March.

Pascal Tordeux / Road sign at the entrance to Beaufort, where Beaufort cheese is made. Haute Savoie, France, May 2014.

Chris Mattison / Welcome signpost at entrance to Alerce Andino National Park, Chile, South America.