Hrmm. Regarding light pollution I see a little black hole at the end of the fibre :-) For one there are more and more areas labeled as "Sternenpark, Dark Sky R

Hrmm. Regarding light pollution I see a little black hole at the end of the fibre :-) For one there are more and more areas labeled as "Sternenpark, Dark Sky Reserve" or similar, for the enabling the of experience you had, as reason. Next, for ecological reasons, disturbing animals, insects. Last, cost.