Enormous blocks of ice are pushed skyward along pressure ridges as the sea ice thins and forms melt pools. Major mitchell's cockatoo

Enormous blocks of ice are pushed skyward along pressure ridges as the sea ice thins and forms melt pools. Major mitchell's cockatooEnormous blocks of ice are pushed skyward along pressure ridges as the sea ice thins and forms melt pools. Pram Point, McMurdo Sound, Ross Island, Antarctica.

A car breaks heavily whilst negotiating a tight mountain bend

A dark and menacing storm rolls in over a wide beach at low tide

Ferns growing in the gaping mouth of a limestone cave

Cattle rancher with cigarette wearing a worn hat

Tourists and conservation volunteers relaxing and reading in hammocks in a lodge in the Amazon rainforest

The fluke of a southern right whale (Eubalaena australis) at sunset

A biologist places research samples in a holder for examination

A jet airliner parked in a airport hanger for maintenance repairs

lions and other wildlife carved from mahogany timber for sale to tourists in a roadside stall

Palm Valley

The fury tail of an Eastern Grey Kangaroo provides balance and support when it is hopping and standing

Children play with a tourist through a classroom window in a school