What's an F in Road?

Iceland F Roads....the off-road-roads of gravel, rock, sand and river crossings. So done with trepidation at first and then...my first river crossing. The Range Rover was set to max height on the air suspension, low ratio and...off I went. Success. A few more rivers and I think I've got the hang of it. However...the Icelanders have snorkels on their air intakes. Do the know something that I don't?Read more