A grey heron stands between dumped plastic bottles and barrels on the bank of the Potpecko Lake on the Lim river, near city of Priboj, Serbia, Tuesday, January 5, 2021. Plastic bottles and other garbage are among tons of garbage clogging rivers in Serbia, Montenegro and Bosnia that were once famous for their emerald color and crystal clear waters. (Photo by Dragan Karadarevic/AP Photo)
