Sedimentary rock: cobbles and boulders of granite and basalt, cemented by a matrix of sandstone. Bale

Sedimentary rock: cobbles and boulders of granite and basalt, cemented by a matrix of sandstone. BaleSedimentary rock: cobbles and boulders of granite and basalt, cemented by a matrix of sandstone. Uluru Kata Tjuta National Park, Northern Territory, Australia.

of a predator living in a vast and protected ecosystem should never be taken for granted

An antique kerosene lantern hanging from a tree branch

Shadows and foliage in a dense garden blur into deep shades of green

A distressed golden-headed lion tamarin chews on the wire of its cage

A diminutive golden tree frog perched on a bright green tropical leaf

The colorful facade of a suburban house in a portside artists' colony

Waterkloof

A barge with logs and pollution along the Amazon River

A detail of the golden gilded hands of Buddha statues in a temple Wat Pho

An aerial view of farmland fields in drought

A calm ocean surface stretching all the way to the horizon

Rugged snow and ice encrusted mountain surrounding a volcanic caldera