The complex was built between 1959 and 1976 at a projected total cost of $2 billion.

The underground complex was built 4 years, from 1957 to 1961.

The first complex to have the nickname was built in 1838.

The complex was built in nine sections between 1881 and 1902.

The ruined complex that can be seen today was built beginning in 1023.

This year a complex of new observing systems has been built.

He is building a giant complex there, including a 60,000-square-foot house.

In addition, the school system plans to build a new $10 million athletic complex.

The original complex was built from 1989 and commissioned in 1991.

"Before such a complex should be built, a more comprehensive traffic study is needed."