clay

One key defense against this process: a network of de-watering wells, which pump out the water that lubricates the soil’s clay layers.

The house is wrapped in clinker brick, a term for when clay bricks are set too close to the flames when being fired in a kiln, giving them distorted shapes and colors.

It also offered horseback riding along the resort’s dirt trails, swimming in a huge outdoor pool, clay tennis courts, casino gambling, an antiques shop, and even a movie theater for the guests.

They also uncovered a bronze sword and scores of bronze bowls, clay dishes, and other pottery.

In the small southeast QLD town of Murgon, scientists have spent decades excavating what appears to be an ordinary clay pit in a local grazier's backyard.