Visible crew/equipment: When Roy and Johnny climb up the open drawbridge, just as they reach the top and see the car dangling off the edge, when Roy says "Boy," the second cameraman is visible behind Roy sitting on the bridge.
Visible crew/equipment: When Roy and Johnny are trying to get the basketball player (Kareem Abdul-Jabbar) out of the car, and when Roy exits the car to get equipment, the outlines of the mic transmitters and wires are visible on the back, left side of Johnny's shirt, and back, right side of Roy's shirt.
Visible crew/equipment: After Chet suggests to Johnny and Roy that they trade vehicles, as the camera pans out the reflections of crew and equipment are visible in the two hubcaps of Roy's car.
Visible crew/equipment: After the rescue on the draw bridge, when Squad 51 gets back to the station Roy goes to the backyard and sits in the sports car, and in this shot just as we hear Johnny's footsteps, on the Land Rover's window we can see the reflection of a crew member who is moving backwards.
Visible crew/equipment: When Johnny and Roy are at the top of the open drawbridge, beside the car hanging over the edge, just after Roy says "Be careful, this could go at any minute," the moving shadows of the cameraman and another crew member are visible on the bridge surface. That shadow is visible in two other previous shots from the same angle.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy