Chambers of the Black Hand is located in Lightning Ridge., a small inland town in northern New South Wales.
Chambers of the Black Hand is an underground opal (Aobao, Opal) cave transformed into an exhibition hall, Chambers of the Black Hand in two parts, 11.2m underground carving art museum and 19.6m underground of the old mine, in the carving art museum, Visitors can see works of art carved and painted on sandstone walls and columns, including all the statues of successive Australian prime ministers, so it is called Australia's Mount Rushmore (Mount Rushmore). At the same time, there is a store dedicated to the sale of Aobao, and in deeper old mines, visitors can experience the process and history of mining Abaobao.
