A drone image shows rowers training in the #River Sava's inlet, where water has been covered with algae that thrives in a warm and polluted environment, in Belgrade, #Serbia, September 2. REUTERS/Djordje Kojadinovic
Rowers training in the River Sava's inlet, where water has been covered with algae that thrive in warm and polluted environment in Belgrade, #Serbia, September 2. REUTERS/Djordje Kojadinovic
