I just uploaded a new terrain build:
*Fixed xplane-conversion related issues (apt.dat), so now the roads around the airport are visible
*Fixed "holy" concrete (northern apron, Schönefeld)
*Added Tegel, Strausberg, Eggersdorf
*Added terrasync objects
https://github.com/D-ECHO/Berlin@Ger272, if you have a github account, I can add you to the repo, so you can upload your progress