In Itlay, the covid-19 outbreak halted tourism and traffic in the canals eventually Venice canals became clear enough to see fishes after almost 60 years. 

The coronavirus pandemic had an unexpected side effect in Venice, where the normally cloudy canals have transformed into water crystal clear enough to see fish swimming below.

Italy’s tourism industry came to a screeching halt once the number of coronavirus cases began to spike in the country, but those who remain posted to social media images of the traffic-less canals.

Swans were seen in the water, while dolphins were spotted swimming in the port.

However, the transparent water isn’t so much a sign of better water quality as it is the result of the lack of boat traffic, which typically kicks sediment to the surface, Pierpaolo Campostrini, the managing director for the Consortium for Managing Scientific Research on Venice Lagoon System, told ABC News via email.

“The low turbidity of the water does not mean cleanliness,” Campostrini said. “The transparency is due to the absence of sediment resuspension.”

The cold temperature of the water also plays a part, Campostrini said. At about 57 degrees Fahrenheit, there is a little synthesis of organic compounds from carbon dioxide, which doesn’t begin until about 62 degrees Fahrenheit.

It’s likely that the air quality has improved since “every kind of pollutants decreased a lot,” but a chemical analysis would need to be performed to say so for sure, Campostrini added.

Amid the crisis, the clear water is a small reprieve for Venice, which experienced flooding by the highest tide in more than 50 years, causing inestimable damage to the centuries-old city.

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