Great Barrier reef, Queensland, Australia (16°55’S, 146°03’E).

Sandbank on the coast of whitsunday island, Queensland, Australia (20°17’S, 149°01’E).

Buccaneer archipelago, West Kimberley, Australia (16°17’S, 123°20’E).

Bowling Green Bay National Park, south of Townsville, Queensland, Australia (19°28’S, 147°14’E).

Sand dune in the heart of vegetation on Fraser island, Queensland, Australia (25°15’S, 153°10’E).

Wineglass Bay, Tasmania, Australia (42°10’S, 148°18’E).

Islet and sea bed, Exuma Cays, Bahamas (24°00’N, 76°10’W).

Islet and sea bed, Exuma Cays, Bahamas (24°00’N, 76°10’W).

Flooded village south of Dhaka, Bangladesh (23°43’N, 90°25’E).

Flooded houses, South of Dhaka, Bangladesh (23°21’N, 90°31’E).