![Illustration for article titled Wholesale revisions were had](./nqfdotpjroazqvxp7rb5.png)
Above is the old Belgian FIM Grade-A racing circuit I once drew up many moons ago.
![Illustration for article titled Wholesale revisions were had](./spbsqcirucfdewsoyvg9.png)
The new course eventually formed after realizing the layout had unpolished linework and awful.
Advertisement
![Illustration for article titled Wholesale revisions were had](./xjltmnenf4ywvschtb4o.png)
Here they are, overlaid against each other. The elevation difference of about 200m is still unchanged.