Water is drained from a store by an electric pump on October 29, 2018 in Venice, Italy. Due to the exceptional level of the “acqua alta” or “High Tide” that reached 156 cm today, Venetian schools and hospitals were closed by the authorities, and citizens were advised against leaving their homes. (Photo by Stefano Mazzola/Awakening/Getty Images)





A woman walks in a flooded street of Venice, Italy, Monday, October 29, 2018, as, according to city officials, 70 percent of the lagoon city has been flooded by waters rising 149 centimeters (more than 58 1/2 inches) above sea level. Venice frequently floods when high winds push in water from the lagoon, but Monday's levels are exceptional and forecast to rise even higher, to 160 centimeters (nearly 63 inches) by mid-afternoon. (Photo by Andrea Merola/ANSA via AP Photo)





Tourists walk with their luggage in a side street in Venice on October 29, 2018 in Venice, Italy. (Photo by Stefano Mazzola/Awakening/Getty Images)





A couple walk in the flooded Saint Mark Square during a period of seasonal high water in Venice, Italy October 29, 2018. (Photo by Manuel Silvestri/Reuters)





A man empties a bucket of water on a flooded street during a high- water (Acqua Alta) alert in Venice on October 29, 2018. (Photo by Miguel Medina/AFP Photo)





A couple of tourists walk in “Piazza San Marco” on October 29, 2018 in Venice, Italy. (Photo by Stefano Mazzola/Awakening/Getty Images)





A restaurant owner looks at the flood waters on October 29, 2018 in Venice, Italy. (Photo by Stefano Mazzola/Awakening/Getty Images)





Tourists take the gondola in spite of the “acqua alta” on October 29, 2018 in Venice, Italy. (Photo by Stefano Mazzola/Awakening/Getty Images)





Tourists walk across emergency wooden boards in Saint Mark's Square which are used to create walkways over the high water on October 29, 2018 in Venice, Italy. (Photo by Stefano Mazzola/Awakening/Getty Images)





People walk in a flooded Saint Mark Square during a period of seasonal high water in Venice, Italy on October 29, 2018. (Photo by Manuel Silvestri/Reuters)





A man carries a table in the flooded Riva degli Schiavoni during a high- water (Acqua Alta) alert in Venice on October 29, 2018. The flooding, caused by a convergence of high tides and a strong Sirocco wind, reached around 150 centimetres. (Photo by Miguel Medina/AFP Photo)





High water in Venice in several areas of the city, also during the Venice Marathon, on 28 October 2018 in Venice, Italy. (Photo by Giacomo Cosua/NurPhoto via Getty Images)





High water in Venice in several areas of the city, also during the Venice Marathon, on 28 October 2018 in Venice, Italy. (Photo by Giacomo Cosua/NurPhoto via Getty Images)





High water in Venice in several areas of the city, also during the Venice Marathon, on 28 October 2018 in Venice, Italy. (Photo by Giacomo Cosua/NurPhoto via Getty Images)





A couple walk on a catwalk in a flooded Saint Mark Square during a period of seasonal high water in Venice on October 29, 2018. (Photo by Manuel Silvestri/Reuters)