After Venice's Grand Canal turned green, investigation opened into why

Venice Grand Canal turns green: Venice mayor slams activists for

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Italian climate change protesters turn Venice's Grand Canal green

Mysterious Green Glow in Venice's Grand Canal - ViennaTimes

Mysterious! Parts of Venice canal turn fluorescent green, locals

After Venice's Grand Canal turned green, investigation opened into why

Venice's Grand Canal turned green — and no one knows why

See moment Prada fashionistas are dumped in freezing Grand Canal

Climate activists turn water in Venice canal green

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Police Investigating Why Venice's Grand Canal Turned Bright Green

WATCH: Water in Venice's Grand Canal turns fluorescent green due

Venice's famous canals are running dry due to low tides and lack