A manmade channel cut through a coral reef to allow boats to access a tropical island. Skyscrapers The silhouette of Uluru in

The silhouette of Uluru in the pre-dawn light on the desert plain

Water pours from the tail flukes of a diving Southern Humpback Whale

A tropical storm cloud catches the last rays of the setting sun

Police patrol the National Gallery of Art on electric scooters

A wildlife conservationist records the calls of a colony of yellow rumped cacique

A manmade channel cut through a coral reef to allow boats to access a tropical island. Skyscrapers The silhouette of Uluru inA manmade channel cut through a coral reef to allow boats to access a tropical island. Heron Island Harbour, Heron Island, Great Barrier Reef, Queensland, Australia.