It goes on despite rain, snow, sleet, or drought. It goes up hill down hill, negotiates left and right turns..even hairpin turns... Paved road, sand road, grtavel road or no road.
It transpires under the same conditions most of our cars live out their lives negotiating. A test that leads to real advances in engineering..
https://www.youtube.com/watch?v=-rE8ifM84vo The neat part is...spectators don't have to fork over a thin dime.. And refreshments... A hotdog isn't between $4 and $10..
And if you drink.. a Bud light six pack is not $63..
..And a Swedish rally...
https://www.youtube.com/watch?v=mvYTeMIQPb8