He recognized that they were the deep foundations of some incompleted structure.

Unfortunately, it was found the location chosen would have needed an extremely deep foundation.

Kizhi churches were built on stones, without a deep foundation.

The work was quickly completed, despite the need for deep foundations.

The church and wall were built on bare rock, and for this reason do not have deep foundations.

Part of the fight against flight has an even deeper foundation, though.

This supports most of the deep foundations and tunnels that exist under London.

There are three ways to place piles for a deep foundation.

Though simple, those drawings helped guide two little boys in building great sums of wealth on a solid and deep foundation.

Qingxi has a deep cultural foundation based in part on its long history of Hakka culture.