clay

In April's best-of-five qualifier against France - a tricky away tie on clay which British players have struggled on recently - Raducanu won both her matches with Boulter adding another to secure their progress.

No player in tennis history is as synonymous with success on a surface as Nadal is on clay, and no-one has dominated a tournament as much as he did at the French Open.

The scientists think the clay protected the log, keeping water and air from getting through.

The water built up, trapped on the clay soil.

Autumn brings clay lamps and marigold garlands to the marketplaces of Delhi as people prepare for Diwali, the Festival of Lights.