Kifisos: Speleologists discovered three lakes beneath the Kifisos river (video)
The discovery was made by speleologists from the "Geomythiki" team – They express concerns about the impact on stability
Evros: Black swan spotted in the delta of the river
A rare case of a black swan making an appearance on the Evros - It lives mainly in Australia, Tasmania and New Zealand
Polylimnio: The “Blue Lake” of Messinia, Peloponnese (videos-photos)
Between mountains and trees somewhere in the Peloponnese hides a complex of lakes and waterfalls
