gravel

Outside, a decomposed granite and gravel path and native, fire-resilient plantings create a secure edge, while covered outdoor rooms blur the line between exterior and interior.

The Briton ended up 0.365 off pole and just 0.043secs ahead of Antonelli, who recovered well from spinning off into the gravel early in second practice and missing most of the session.

The second incident led to a scare because Leclerc passed a Sauber just after a red flag was thrown because of gravel on track, despite braking as hard as he could.

Red Bull's Yuki Tsunoda, 16th fastest, was another to have an off, with a spin into the gravel at Turn 12, from which he rejoined.

This mix is why state and local agencies have long focused their attention on dust control projects, planting salt-tolerant vegetation and spreading gravel.