The Strange Scourge of Light Pollution(youtube.com)

1 pointsby djug12 ปีที่แล้ว1 comments

https://www.youtube.com/watch?v=_nlFcEj41Xk

1 comments

fusionefredda12 ปีที่แล้ว

A really underestimate problem... there should be a bigger awareness on this matter.