Whats that on the tire???

Line of off-road trucks on a narrow brush-lined trail 1989 Ford Bronco photo White SUV driving on a dusty mountain road, seen from inside another vehicle. White SUV driving on a dusty mountain road, viewed from inside another vehicle. View from inside a red vehicle on a dusty road with two off-road vehicles ahead. White 1989 Ford Bronco on a dusty mountain road, viewed from inside another vehicle. Rear view of a green Ford Bronco on a hillside at dusk. Several off-road vehicles parked on a hillside with a man standing in front of them. Red Ford Bronco with brush guard and auxiliary lights parked on dirt with mountains in background. 1989 Ford Bronco photo Hazy mountains and hills with dry grass in the foreground. Layered mountain ridgelines silhouetted in haze at sunset Hazy valley landscape at dawn viewed from a grassy hillside Night view of city lights in a valley seen past flash-lit bare trees on a hillside City lights in a valley at night seen from a dark hillside Maroon and tan Ford Bronco at night with a row of trucks parked behind 32photos in this albumView all