Italy's iconic Grand Canal's water turns green near Rialto Bridge | Watch video
On Sunday, Italy's fire department posted a video as one of its boats sailed on bright green waters

Photos of Italy's famed Grand Canal have gone viral on the internet after the water turned fluorescent green in the area near Rialto Bridge, Venice.
On Sunday, Italy's fire department posted a video as one of its boats sailed on phosphorescent waters.
Authorities have begun the investigation. A regional environmental protection agency is studying the samples of the altered waters and is working to identify the substance that changed their colour.
Meanwhile, the Venice prefect has called an emergency meeting of police forces to understand what happened and study possible countermeasures.
Police are also looking into whether the green colouring could be a protest by climate activists.
This is because last week, environmental activists climbed Rome’s Trevi Fountain and poured black liquid obtained from diluted vegetable charcoal into its water.
The protesters stood inside the fountain holding a banner reading “We Won’t Pay for Fossil Fuels"--a reference to the campaign to stop public investment and subsidies of fossil fuels.
In March climate activists splashed orange paint over the walls of Palazzo Vecchio, the home of Florence’s town hall to draw attention to the climate crisis.
It is not the first time the Grand Canal has been turned green. In 1968, the Argentine artist Nicolás Garcia Uriburu spilled non-toxic bright green fluorescent sodium in the Grand Canal during Venice’s international art exhibition La Biennale. The pigment turned bright green when synthesised by microorganisms in the water to raise ecological awareness.
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