To Sua ocean trench in Upolu, Samoa, South Pacific, Pacific

Auschwitz ll Birkenau Concentration Camp, UNESCO World Heritage Site, Brzezinka, Poland, Europe

Auschwitz ll Birkenau Concentration Camp, UNESCO World Heritage Site, Brzezinka, Poland, Europe

Workmen dig a trench and install a new pipeline, Mtwara, Tanzania, East Africa, Africa

1st Street, Trench Town, Kingston, Saint Andrew Parish, Jamaica, West Indies, Caribbean, Central America

Shop in Trench Town, Kingston, Saint Andrew Parish, Jamaica, West Indies, Caribbean, Central America

Peat cutting, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Laying a new water pipeline in the Lake District National Park, Cumbria, England, United Kingdom, Europe

A pipeline being laid in Barrow in Furness, Cumbria, England, United Kingdom, Europe

Laying a new gas pipeline in Ambleside, Cumbria, England, United Kingdom, Europe

Rock hewn monolithic church of Bet Giyorgis (Church of St. George) in Lalibela, Ethiopia

Rock hewn monolithic church of Bet Giyorgis (Church of St. George) in Lalibela, Ethiopia

Nijo castle,UNESCO World Heritage Site,Kyoto, Japan.

Black-legged kittiwake (Rissa tridactyla), colony in the cliffs of the island Colonsay in Scotland. Europe, Central Europe, Great Britain, Scotland, Colonsay

Emplacements of the Austrian forces during World War 1 at Mount Lagazuoi in the Dolomites, now preserved as a museum. The peakds of the Tofane in the background. The Dolomites are listed as UNESCO World heritage. europe, central europe, italy, october

Black-legged kittiwake (Rissa tridactyla), colony in the cliffs of the island Mykines, part of the Faroe Islands in the North Atlantic. Europe, Northern Europe, Denmark, Faroe Islands

The submarine and cruiser trench at Hanford which has 96 reactor compartments from decommissioned navy ships.

Columbia National Wildlife Area in foreground, Canadian Rockies across from Rocky Mountain Trench near Invermere, BC, Canada

Late afternoon sun over the Tintina Trench near the Dempster Highway, Yukon

Roughtail stingray, Dasyatis centroura, British Virgin Islands, BVI, Caribbean Sea, Leeward Islands

Rough pomfret, Taractes asper. Composite image. Portugal

Planting a conifer hedge. Step 1: prepare the planting trench.