There are two shell-shaped opera houses:

Zhuhai Grand Theater and Sydney Opera House

The Zhuhai Opera House is the only opera house built on an island in China . The Zhuhai Grand Theater is composed of two groups of "shells", one large and one small, which form the overall image of the opera house, hence the name "Sun and Moon Shells".

Zhuhai Opera House

Sydney Opera House (Sydney Opera House) is located in Long Point, a convenient location in the north of Sydney, New South Wales, Australia. Construction started in March 1959 and was completed in 1973. Officially put into use on October 20, it is an Australian landmark building.