A group of scuba divers gathered in Venice to clean up the canals after the past weeks' flooding, December 1, 2019. /VCG Photo

According to one scuba diver Alessandro Zuffi, the crew collected gas cylinders lost probably during transport for local bars in the cleanup operation. /VCG Photo

The worst case of flooding occurred on November 24, while the record high tide was at 187cm on November 12. /VCG Photo

The famous lagoon city held high reputations among world's tourists, hit by the worst flooding in 50 years last month. /VCG Photo