1.   It is a winding gauntlet of unyielding trees, steel barriers, embankments and tire walls that seem to try to snatch cars off the track.

2.   Pierce noted that previous experiments at lessening such impacts have included the use of tire walls, plastic foam blocks and Armco fencing.

3.   The tire walls were covered in stucco and painted an earthy red-brown, creating an unusual bubble effect that looks convincingly solid, like fieldstones.

4.   Despite all the incidents, including some jarring hits into the concrete barriers and tire walls lining the temporary course, no injuries were reported.

5.   Frenchman Olivier Panis hurtled off a concrete barrier into a tire wall, breaking his broken lower right leg.

6.   Hansford spun off the circuit, hit a tire wall and bounced back onto the track in a cloud of dust.

7.   He careened into a tire wall and flipped upside down.

8.   He spun in the infield part of the course and hit a tire wall.

9.   Massa then went out with a crash later, banging his nose against the steering wheel as he ran into a tire wall.

10.   Moore got into the wet part of the track and spun into a tire wall, barely missing Ribeiro, who also spun and briefly stalled his car.