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
National Museum of Indonesia the old wing or Gedung Gajah is under major renovation, while the Gedung C is under construction. The museum has a collection of 61,600 prehistoric and anthropological artifacts, and 5,000 archeological artifacts from all over Indonesia and Asia. The museum collections is among the richest, the most complete, and the best of its kind in Indonesia and one of the finest in Southeast Asia. The museum has comprehensive collections of stone statues of classical Hindu-Buddhist period of ancient Java and Sumatra, a kaleidoscope of highly diverse collection of Indonesian ethnography artifacts, as well as quite extensive collections of Asian ceramics.