Most of the size comes from in front of Centre Block not from.... It would be symmetrical in size, the eastern portion to the western portion. Most of the size is really about the visitor welcome centre. If you've been—and I'm sure most of you have—to the Capitol building in Washington, you'll know the underground visitor centre is fairly similar. The largest component of phase two, the visitor welcome centre, will actually be under the great lawn, invisible to the eye.
On April 2nd, 2019. See this statement in context.