The car moved. She turned and ran. The day was gone. They were in black hell, instant Gehenna. A hurricane of dirt had spread all over the sky. They were buried alive under a giant spreading plateau of screaming, crackling filth. The air was half-dirt. The maddened earth had forgotten the difference between air and dirt. Dirt and air were going to be the same thing from now on. The black slurry of wind was hanging over them, it was all around them.