Please note the engine
noise in some of the St. Clair River (blue water) scenes is from the photo boat.
Engine noise in one of the Belle River (brown water) scenes is a car going over the bridge where the photographer is standing.
Sparky cruising in the St Clair and Belle rivers. 1:15 (3.2 MB)
Shorter version taken from the first movie 0:28 (1.2 MB)