Venice is known for seasonal flooding, but this is the second-highest level in recorded history. WATCH THE FULL EPISODES OF 'WORLD NEWS TONIGHT': https://bit.ly/34XhCm3 WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT: http://abc.go.com/shows/world-news-tonight WATCH WORLD NEWS TONIGHT ON HULU: https://hulu.tv/33iKepm #WorldNewsTonight #DavidMuir #VeniceFlooding # Venice #Flooding #Italy #ClimateChange