 Prior to the introduction of the laws, Kings Cross was known as the city's red-light district.There are huge celebrations for New Year's Eve and Australia Day in Sydney, including a fireworks display that features the Harbour Bridge.Many festivals are held in Sydney, including the Sydney Festival, a celebration of partly free performances throughout January; Vivid Sydney, a festival of light and music held annually in May–June; the Gay and Lesbian Mardi Gras (see below); the annual Sydney Film Festival and many smaller festivals such as Tropfest.