Iceland, Gullbringu, Blue Lagoon, People bathing in the warm water beside the thermal powere station at Svartsengi.

Iceland, Gullbringu, Blue Lagoon, Svartsengi power station with swimmers in thermal heated pool.

Iceland, Gullbringu, The Blue Lagoon, Swimmers in the water beside the thermal power station at Svartsengi.

Italy, Sicily, Stagnone, Stagnone salt pans, Stagnone, near Marsala and Trapani.

Italy, Sicily, Stagnone, Stagnone salt pans, Stagnone, near Marsala and Trapani.

Italy, Sicily, Stagnone, Men working in Stagnone salt pans, Stagnone, near Marsala and Trapani.

Iceland, Jokulsarlon Glacier, View across river lagoon with the Breidamerkurjokull Glacier.

Iceland, Jokulsarlon Island, Distant boat on glacial lagoon with icebergs and glacial landscape.

Iceland, Jokulsarlon Island, Swimmer in glacial lagoon.

Italy, Venice, Panoramic view of buildings, rooftops, promenade and bridge over Rio dell’ Arsenale, at the Arsenale.

Italy, Venice. Panoramic view of buildings, rooftops, promenade and Canale di San Marco, near the Arsenale.

Vietnam, Hue, Lang Co, Tranquil lagoon near Danang.