Vivid Sydney is encouraging blind and vision impaired people to use their other senses to experience the light festival.

Source: ABC News: Nicole Chettle
But making the spectacle accessible for people with limited or no vision is a challenge, particularly when it comes to what is arguably the highlight of the show, the lighting of the sails at the Opera House.
Commentator Emma Bedford helps make it possible for vision impaired visitors to experience the displays.
Ms Bedford described exhibits, including Audio Creatures.
"Behind these pink, bent over tentacles that could reach all the way to the top but they flop forward, the sails are a greenish-blue," she said.