People waiting on beach for dhows to land fish, Stone Town, Zanzibar, Tanzania, East Africa, Africa

Caves Calem, port wine cellars, Porto, Norte, Portugal, Europe

Colorful containers in Valparaiso Port, Valparaiso Province, Chile, South America

Colorful containers in Valparaiso Port, Valparaiso Province, Chile, South America

Huge factory floor, dry dock, Queen Mary 2, Saint-Nazaire, France

View over Kiel Fjord to Howaldtswerke-Deutsche Werft (HDW), shipbuilding company, with a pair of herring gulls (Larus argentatus), Kiel, Schleswig-Holstein, Germany

Ostuferhafen harbor with cargo terminals and coal power station at night, Port of Kiel, Schleswig-Holstein, Germany, Europe

Sea salt extraction by the British-Australian mining company Rio Tinto Minerals, Port Hedland, Western Australia, Australia

Sea salt stockpile, Port Hedland, Western Australia, Australia

Sea salt extraction by the British-Australian mining company Rio Tinto Minerals, Port Hedland, Western Australia, Australia

Sea salt extraction by the British-Australian mining company Rio Tinto Minerals, Port Hedland, Western Australia, Australia

Close up of wooden barrels of Colheita port stacked in a cellar. Port wine production, Porto, Portugal