As of last weekend, our RC race track got shut down.
Our enthusiast racing colleagues got approached by the regulatory agency, which prohibited the future use of that site.
So after almost 5 years of continuous weekend meeting and racing the event came to a halt.
It is hard enough to find places for 1:5 scale gas powered off road race cars and this issue starts to increase more and more,
More information can be obtained here (unfortunately only in German) http://rc-forum-rheinland.de/board5-rc-rheinland/board11-treffen-und-termine/3901-k%C3%B6ln-gremberghoven/