Incredible photos show fishermen reeling in mullets in Attica River (photos)
The Kifissos River is filled with dirty water
Venice’s canals are the cleanest they’ve been in living memory after coronavirus lockdown (photos)
White swans are also roaming canals which have been left deserted by their usual huge crowds of tourists
Researchers look to explain mysterious grouping of Great White sharks near Carolina Coast
The researchers noted an unusually large spacing between the groups