The verdant blob was first noticed around 9:30 a.m. CET and grew slowly, according to multiple images posted on social media
Authorities in Venice, Italy are investigating after a patch of fluorescent green water appeared in the famed Grand Canal on Sunday morning.
“This morning a patch of phosphorescent green liquid appeared in the Grand Canal of Venice, reported by some residents near the Rialto Bridge. The prefect has called an urgent meeting with the police to investigate the origin of the liquid,” Veneto regional president Luca Zaia wrote on Twitter.
