Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park Berlin Cathedral and tourist boat

Berlin Cathedral and tourist boat on River Spree beneath storm clouds

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

A timber boardwalk along the shore of a small forest river

A pride of African Lions patrolling the vast short grass savannah plains in the clear morning light

Erosion carves valleys into ash and lava flows on the slopes of a primeval volcano caldera. Naracoorte caves national park Berlin Cathedral and tourist boatErosion 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