A necessary evil on any model layout if you are not careful...well the problem here is that Namibia does not have any real tunnels for track to go through, so we'll have to cheat a little bit. Definitely left-hand running in this clockwise going higher double track beast (4'x8') so that the trains going up has less of a grade than the ones coming down. We merge into single track before entering Omaruru at the top, but start with double track leaving Kranzberg.
A WiFi camera captured a picture every 12 minutes during the 3 months building the helix. A time lapsed video will be posted shortly ... too many pitch black images to be removed first, since the days got so short without enough light!!!
And now time to show Occupancy: