To coincide with the launch of the Samsung Galaxy S4, the sails of the Sydney Opera House will be bathed in projections from Australian photographers.
Between 6pm AEST and midnight on 23 April, a selection of photos will be projected onto the Opera House sails as part of a new partnership between Samsung and the Australian icon. It is also the same day of the Galaxy S4's launch in Australia.
Previously, the Opera House hasto stream live performances.
To submit a photo for consideration, enter at the Samsung website before 18 April. Photos need to be of the photographer or a friend in a "memorable moment" in Australia, and a minimum of 1600x1200 pixels in either portrait or landscape orientation. Do make sure to check the terms and conditions before entering, particularly clause 12, outlining photo use and moral rights.