An echidna light sculpture eating ants is displayed during a media preview of Vivid Sydney illuminated displays at Taronga Zoo on May 24, 2016 in Sydney, Australia. Vivid is lighting up at Taronga Zoo for the first time with ten giant animal sculptures representing critical species the zoo is committed to protecting. Held annually, Vivid Sydney is the world's largest festival of light, music and ideas running for 23 days. (Photo by Cameron Spencer/Getty Images)





Children observe a giant lantern in the shape of an Asian Elephant during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia May 24, 2016. (Photo by Jason Reed/Reuters)





A family walks past giant lanterns in the shape of sea turtles during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia, May 24, 2016. (Photo by Jason Reed/Reuters)





A giant lantern in the shape of a rhinoceros sits among grasses during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia, May 24, 2016. (Photo by Jason Reed/Reuters)





A giant lantern in the shape of an endangered corroboree frog sits against the backdrop of the Sydney Harbour Bridge during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia, May 24, 2016. (Photo by Jason Reed/Reuters)





Children observe a giant lantern in the shape of an Asian Elephant during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, May 24, 2016. (Photo by Jason Reed/Reuters)





A giraffe looks around its enclosure at night in front of Sydney's skyline during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, May 24, 2016. (Photo by Jason Reed/Reuters)





Children walk past a giant lantern in the shape of a rhinoceros during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia, May 24, 2016. (Photo by Jason Reed/Reuters)





A lantern in the shape of a chameleon lizard features among Taronga Zoo's inaugural contributions to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, Australia, May 24, 2016. (Photo by Jason Reed/Reuters)





Giraffes peer out of their enclosure during a preview of Taronga Zoo's inaugural contribution to the Vivid Sydney light festival, the annual interactive light installation and projection event around Sydney, May 24, 2016. (Photo by Jason Reed/Reuters)