People walk on a catwalk in a flooded St. Mark's Square during a period of seasonal high water in Venice, Italy, on October 29, 2018.
Photograph by Manuel Silvestri, Reuters
A woman walks in a flooded street in Venice. According to city officials, about 75 percent of the lagoon city has been inundated.
Photograph by Andrea Merola, Ansa, via Ap
St. Mark's Square underwater.
Photograph by Manuel Silvestri, Reuters
People trudge through the square, trying to keep their belongings dry.
Photograph by Manuel Silvestri, Reuters
Locals pause for a drink despite the high water.
Photograph by Giacomo Cosua, NurPhoto via Getty Images
Tourists walk in front of a bus stop. Venetian schools and hospitals were closed by the authorities, and citizens were advised against leaving their homes.
Photograph by Stefano Mazzola, Awakening/Getty Images
A restaurant owner surveys the high water.
Photograph by Stefano Mazzola, Awakening/Getty Images
People carry their luggage over their heads to keep it as dry as possible.
Photograph by Stefano Mazzola, Awakening/Getty Images
A man brushes away floodwater outside the historic Caffe Florian, in San Marco Square.
Photograph by Andrea Merola, Ansa, via Ap
Workers prepare a temporary catwalk in a flooded St. Mark's Square.
Photograph by Manuel Silvestri, Reuters
The city's long-term future remains uncertain in a world with rising seas.
Photograph by Giacomo Cosua, NurPhoto via Getty Images