Rob Jordan / 2020VISION / Tributary of the River Tweed where Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) come to spawn, Cheviot Hills, Northumberland, England, UK, October

Guy Edwardes / Sunset over the Cheviot Hills with flock of sheep in the foreground, Northumberland, England, February 2008

Laurie Campbell / Adder (Vipera berus) close-up of male moving over rocks, Harthope Valley, Cheviot Hills, Northumberland National Park, England, May

Rob Jordan / 2020VISION / View from Coldstream over the River Tweed along Tweed Valley towards the north side of the Cheviot Hills, Berwickshire, Scotland, UK, October 2011

Rob Jordan / 2020VISION / 2020VISION photographer Linda Pitkin working with her husband Brian Pitkin photographing Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) with an underwater polecam, River Tweed, Cheviot H...

Rob Jordan / 2020VISION / 2020VISION photographer Linda Pitkin photographing Brown trout (Salmo trutta) and Atlantic salmon (Salmo salar) using an underwater polecam, River Tweed, Cheviot Hills, Northumberland, England, UK, Oc...

Jim Hallett / Cheviot hills with dry stone wall. Northumberland, England, UK.

Laurie Campbell / Harthope Burn in spring surrounded by Alder (Alnus sp.), Sessile oak (Quercus petraea) and Sycamore (Acer pseudoplatanus) trees, Harthope Valley, Cheviot Hills, Northumberland National Park, Northumbe...

Laurie Campbell / Hillfort Trail marker post on Yearvering Hill, Cheviot Hills, Northumberland National Park, Northumberland, England, UK. November, 2013.

Laurie Campbell / Hillfort Trail marker post on Yearvering Hill, Cheviot Hills, Northumberland National Park, Northumberland, England, UK. November, 2013.

Laurie Campbell / Hillfort Trail marker post on Yearvering Hill, Cheviot Hills, Northumberland National Park, Northumberland, England, UK. November, 2013.

Laurie Campbell / View over the Cheviot Hills in winter from the nearby Bowmont Valley, Northumberland National Park, England, UK. February, 2014.