Polar Dance Photo: Thomas D. Mangelsen
Tortoises at Dawn, Galapagos Islands, 1984 Photo: Frans Lanting
Stone Canyon. Petrified sand dunes and reflection, Paria Canyon – Vermilion Cliffs Wilderness, Arizona Photo: Jack Dykinga
Split Rock and Cloud, Eastern Sierra, California, 1976 Photo: Galen Rowell/Mountain Light
Twilight of the Giants, Botswana 1989 Photo: Frans Lanting
Water lilies, Nymphaea nouchali, Okavango Delta, Botswana Photo: Frans Lanting
The images will be auctioned at Christie’s to raise money for the 40th annual Earth Day, to raise awareness of the fragility and beauty of the natural environment. The money raised will go towards environmental groups.