Pascal Tordeux / Tractor ploughing field, Pleine Selve, Picardy, France, October 2016.

Charlie Summers / Plough snails (Bullia digitalis) gather and feed on a beached jellyfish at Buffelsbaai, South Africa, Indian Ocean

Charlie Summers / Plough snail (Bullia digitalis) with its finger out (also known as a Finger Plough snail) Bufflesbaai, South Africa, Indian Ocean.

Charlie Summers / Plough / Finger plough snails (Bullia digitalis) make their way towards a beached jellyfish on beach, Buffelsbaai, South Africa, Indian Ocean.

Charlie Summers / Finger / Plough snail (Bullia digitalis) just coming out of the sand, with another one hiding behind, Buffelsbaai, South Africa, Indian Ocean

Staffan Widstrand / Mountain tundra road, with snow marking poles, so that the snow plough knows where the road is, Batsfjord, Varanger Peninsula, Norway, March 2012.

Solvin Zankl / Deepsea Plownose chimaera (Callorhinchus callorynchus) specimen from Atlantic Ocean near the coast of Argentina at a depth of 82m.

Lynn M Stone / Large black australorp crowing, perched on rock by old, wooden plough, autumn, Higganum, Connecticut, USA.

Lynn M Stone / Black cochin bantam rooster on antique, wood-handled plough, Higganum, Connecticut, USA. Non-ex.

Lynn M Stone / Black cochin bantam rooster on antique, wood-handled plough, Higganum, Connecticut, USA. Non-ex.

Lynn M Stone / Bantam black cochin rooster, perched on wooden handle of old hand plough, Middletown, Connecticut, USA.

Steve O. Taylor (GHF) / Cattle used by Lozi people to plough, Sioma Nqwezi Park, Zambia. November 2010.