Road signs in Indonesia the rules are not being implemented properly. Indonesian road signs use Indonesian, the official and the national language of Indonesia. However, English is also used for important public places such as tourist attractions and airports. Bilingual signs can be found in tourist areas such as Bali. Indonesia signed the Vienna Convention on Road Signs and Signals but have yet to ratify the Convention. Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. Warning signs in Indonesia used to closely follow The American MUTCD and Japanese diamond-shaped with yellow background and black-and-yellow
Architecture of Indonesia in Balinese architecture. However, typical ancient Javanese Hindu-Buddhist architecture has been the source of inspiration and recreated in contemporary architecture. For example, Ganjuran Church in Bantul, Yogyakarta contains a "candi"-like Hindu-style shrine dedicated to Jesus. Although religious architecture has been widespread in Indonesia, the most significant was developed in Java. The island's long tradition of religious syncretism extended to architecture, which fostered uniquely Javanese styles of Hindu, Buddhist, Islamic, and to a lesser extent, Christian architecture. By the fifteenth century, Islam had become the dominant religion in Java and Sumatra, Indonesia's two most populous islands. As with Hinduism and Buddhism