An aerial twilight view of colourful light projections on the Sydney Harbour Bridge and Opera House during Vivid Sydney, Sydney, New South Wales.© Destination NSW

Vivid Sydney, Sydney, New South Wales © Destination NSW

Climbers in illuminated vests view colourful projections on the Sydney Opera House from atop the Sydney Harbour Bridge at night, during a Vivid Climb experience with BridgeClimb Sydney, New South Wales. © Destination NSW

Vivid Climb, BridgeClimb Sydney, New South Wales © Destination NSW

Captain Cook Cruises and Sydney Tall Ships, New South Wales © Destination NSW

Illuminated boats sail across Sydney Harbour at night past the lit-up Sydney Opera House, Sydney, New South Wales. © Destination NSW

A long-exposure view of light trails across Sydney Harbour, showing the illuminated Harbour Bridge and water near Park Hyatt Sydney, New South Wales. © Destination NSW

Park Hyatt Sydney, New South Wales © Destination NSW

Vibrant, rainbow-coloured light projections illuminate the facade of the grand Museum of Contemporary Art (MCA) building along the harbor at night, Sydney, New South Wales. © Destination NSW

Museum of Contemporary Art (MCA), Sydney, New South Wales © Destination NSW

Two elegant cocktails sit lit by a small lamp on a table overlooking the colourful harbour and bridge at night, Bennelong Restaurant, Sydney Opera House, Sydney, New South Wales. © Nikki To

Bennelong Restaurant, Sydney Opera House, Sydney, New South Wales © Nikki To