A visitor walks along the Cijevna waterfall site driep up after the last heat wave in Podgorica, southern Montenegro, on August 16, 2024. The Cijevna waterfall, also popularly known as "Niagara" has dried up during the newest heat wave of this season, baking Montenegrin cities with temperatures reaching as high as 42 degrees Celsius, for several consecutive days. (Photo by SAVO PRELEVIC / AFP)