The leathery leg scales and toenails on the foot of an ancient Aldabra Giant Tortoise. Lenses (anatomical) View at dawn of a

View at dawn of a field of spinifex grasses

A Bhutanese farmhouse and barn in a forested Himalayan valley

A rock used as a plug to stop water from a mountain spring running down a falaj in an ancient village

Water levels in reservoirs fall dramatically in prolonged droughts

The urban sprawl of a village surrounded by a vast plain dotted with agricultural land and farms

The leathery leg scales and toenails on the foot of an ancient Aldabra Giant Tortoise. Lenses (anatomical) View at dawn of aThe leathery leg scales and toenails on the foot of an ancient Aldabra Giant Tortoise. Melbourne Zoo, Parkville, Melbourne, Victoria, Australia.