^Too bad they didn't build a drop into the shaft. That would have been so much more awesome.
Update from today:

Lots of small supports being put in their spot

First zero g support standing


This is going to be tiny

Second zero g support standing

Several smaller supports on it's way


More and more supports popping up

Now it's just waiting until the track will be hoisted in


It's going to be one tiny immelmann
Source:
Themepark.nl