is also expected to begin in late 2022. Culture Sydney's cultural centre is compacted within its central business district and inner city ring, due to its nightlife, pedestrian traffic and centrality of notable attractions. There is a large concentration of cultural institutions within the CBD including: the Museum of Sydney, the State Library of New South Wales, the Customs House branch of the City of Sydney Library, the Theatre Royal, the City Recital Hall and the Japan Foundation. There are a total of 19 churches located in the Sydney city centre. Many other cultural institutions are located at the surrounds of the CBD, such as: the Sydney Opera House and the Museum of Contemporary Art to the north, the Australian Museum and the Art Gallery of New South Wales to the east, the Powerhouse Museum to the west, White Rabbit Gallery and the Haymarket branch of the City of Sydney Library to the south. The lanes and alleyways of Sydney exhibit the culture and arts of the CBD. Every January during the summer, the city celebrates with the Sydney Festival. There are art, music and dance exhibitions at indoor and outdoor venues. Australian and International theatre during the month is also featured, including Aboriginal, and Contemporary. Many of these events are free. The Sydney Film Festival is an international event organised every year in June at various venues across the CBD. The festival opened on 11 June 1954 and was held over four days, with screenings at Sydney University. Attendance was at full capacity with 1,200 tickets sold at one guinea each. Sydney boasts a lively café culture, as well as a club and bar scene distributed throughout the CBD and concentrated in a couple of locations such as Darling Harbour. Although Kings Cross is not technically located within the Sydney CBD, it is accessible via William Street, which runs through Hyde Park and is part of the inner-city region. Oxford Street hosts Sydney's gay scene. Architecture The Sydney CBD contains many of Australia's tallest skyscrapers, including Governor Phillip Tower, MLC Centre and World Tower, the latter consisting predominantly of apartments. It is also home to the Australia Square tower building on George Street, which was the city's tallest building until 1976. As of 2017, the tallest structure is Centrepoint Tower at which has dominated the city skyline since it was topped out in 1981. In 2016, height limits for