An artist helps a boy carve a shark into a block of sandstone during a school holiday program activity. March A lone tourist photographing on

A lone tourist photographing on a windswept hillside in Antarctica

A black-necked crane circles a forested valley at sunset searching for a landing site to roost

The silhouette of tourists gathered in the chill dawn light to watch dawn at Uluru

Ice and snow cliffs and overhangs cap the summit of a rugged mountain

An ice guide with a pick in an ice cave in the Erebus Glacier Tongue

An artist helps a boy carve a shark into a block of sandstone during a school holiday program activity. March A lone tourist photographing onAn artist helps a boy carve a shark into a block of sandstone during a school holiday program activity. Robe, Limestone Coast, South Australia, Australia.