HOS/BirdLife Greece celebrates bird migration and the WMBD at the Natura 2000 wetland of Vravrona (East Attica) with all day educational activities, guided tours and birdwatching.
HOS/BirdLife Greece celebrates bird migration and the WMBD at the Natura 2000 wetland of Vravrona (East Attica) with all day educational activities, guided tours and birdwatching.