Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park A mother learning to play

A mother learning to play Australian rules football on a sports field

An attractive young man flicks back his hair resting against a wall

Berlin Cathedral and tourist boat on River Spree beneath storm clouds

Wind-rippled patterns on the surface of the Hummocks dune field

A logging mill laborer resting on top of a pile of logs cut from the Amazon rainforest

Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park A mother learning to playErosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Crater Highlands, Ngorongoro Hig, African Rift Valley , Serengeti National Park, Tanzania