City council workers place catwalks in St. Mark’s Square, in Venice, Wednesday, Nov. 13, 2019. …

City council workers place catwalks in St. Mark's Square, in Venice, Wednesday, Nov. 13, 2019. ...

City council workers place catwalks in St. Mark’s Square, in Venice, Wednesday, Nov. 13, 2019. The high-water mark hit 187 centimeters (74 inches) late Tuesday, Nov. 12, 2019, meaning more than 85% of the city was flooded. The highest level ever recorded was 194 centimeters (76 inches) during infamous flooding in 1966. (AP Photo/Luca Bruno)