BECKHAM
25-09-2019, 01:08 PM
Almost 150 municipalities in greater Geneva will hold a planned blackout on Thursday night to raise public awareness of the negative effects of light pollution.
for more... (https://www.thelocal.ch/20190923/geneva-to-be-plunged-into-darkness-on-purpose-to-expose-light-pollution)
for more... (https://www.thelocal.ch/20190923/geneva-to-be-plunged-into-darkness-on-purpose-to-expose-light-pollution)