The National Museum of Natural History was officially inaugurated in 1973. Originally the display areas in this museum consisted of a Geology hall, a Palaeontology hall, an Osteology hall, and a hall each for insects, molluscs, fish and birds. Subsequently exotic mammal and mineralogy displays, a cactus garden and marine aquariums were added. Heritage Malta is now embarking on a project to update the present displays and to change the concept of this museum to a present-day showcase of Maltese ecology and biodiversity.