You said Rome wasn't built in a day.

Have you visited the museum which(that) was built over thirty years ago?

"They wanted to build 'the world's biggest this' and 'the world's biggest that, ' but these buildings have almost zero long-term economic benefit, " economist Huang said.

Very impressive, considering that this city was built in ancient times when the machine is not created yet.

The library was built largely of American material.