クリスマス島の主要産業は何？
Phosphate mining had been the only significant economic activity, but in December 1987 the Australian government closed the mine. In 1991, the mine was reopened by a consortium which included many of the former mine workers as shareholders. With the support of the government, the $34 million Christmas Island Casino and Resort opened in 1993 but was closed in 1998. , the resort has re-opened without the casino.
Phosphate mining