How was the Sydney Opera House constructed?

The Sydney Opera House was to be home to Opera Australia, the Sydney Theatre Company and the Sydney Symphony.

the sydney opera house is called the sydney opera house because opera is song in the building and because of its great views.

What goes on inside the Sydney Opera House? THere are many performances. Singing, dancing, school concerts, orchestras, etc.

it is 161,542,952 tons heavy

I think it is around 2000m long I think