An aerial picture taken with a drone shows wastewater pouring into Argolic Gulf, of the Aegean Sea, caused by problems in the Biological Treatment of the Region of Nafplio, Greece, 06 February 2021.

EPA-EFE/BOUGIOTIS VANGELIS
An aerial picture taken with a drone shows wastewater pouring into Argolic Gulf, of the Aegean Sea, caused by problems in the Biological Treatment of the Region of Nafplio, Greece, 06 February 2021.
EPA-EFE/BOUGIOTIS VANGELIS