This video is about The Big Mountain Passes of Central Switzerland. Klausenpass 3:30, Traffic Jam 5:18, Sustenpass 9:50, Grimselpass 16:00, Rhone Glacier (Furka) 18:56, Furkapass 19:24.
For quick look, I suggest Grimselpass (16:00)
Starting from home near Zürich, Klausenpass as this is on the way, Sustenpass, Grimselpass and final Furkapass. An one day roundtrip.