[TELEGRAM] On World Ozone Day, a major reforestation action of Grubišno Polje was held using an unmanned aerial vehicle20.09.2021.
![[TELEGRAM] On World Ozone Day, a major reforestation action of Grubišno Polje was held using an unmanned aerial vehicle](https://storage.googleapis.com/o2-article-images/articles/92e4aa30-a7d6-44e8-bcad-39d06260395d.jpeg)
