A detail of an ancient desert fortress wall showing the mud and plant matter in the render. Pot-of-gold The delicate petals of a

The delicate petals of a field of blue daisy's catching the afternoon sun in a cottage garden

A passenger aircraft wing in flight over the USA and power stations

Researchers explore the vast frozen sea ice with a Coast Guard icebreaker in the distance

A young jockey nuzzles the thick fur on the neck of her racing camel

A juvenile brown-throated three-toed sloth for sale in an illegal black market

A detail of an ancient desert fortress wall showing the mud and plant matter in the render. Pot-of-gold The delicate petals of aA detail of an ancient desert fortress wall showing the mud and plant matter in the render. Narin Castle, Meybod, Meybod County, Yazd Province, Islamic Republic of Iran.