Ghost gum against red rocks in Australia outback
Ghost gum tree against red sandstone cliffs at Kings Canyon, Watarrka National Park in the outback Northern Territory, Australia. The brilliant white trunk contrasts starkly with the red rocks.
© 2007 Kerry Whitworth
Kings Canyon, Watarrka National Park, Northern Territory, Australia
Kings Canyon is part of the Watarrka National Park in the Northern Territory, Australia. The walls of Kings Canyon are over 100 metres high, with Kings Creek at the bottom. Part of the gorge is a sacred Aboriginal site and visitors are discouraged from walking off the walking tracks.
Sydney Bridge Under Construction
It took over 2,000 men eight years to build the landmark bridge and cost £4.2 million. Six million hand driven rivets and 53,000 tonnes of steel were used for the build.
August 1930: Sydney Harbour bridge under construction forms a background to ships in the harbour. (Photo by Fox Photos/Getty Images)