The Arno river, which runs through Florence and Pisa, is prone to flooding in spring and fall. Read more at straitstimes.com.

Florence, Pisa on flood alert as heavy rain closes museums and roads - Residents have been evacuated as several major rivers threaten to burst their banks

Heavy rains has hit the northern Italian regions of Tuscany and Emilia-Romagna, pushing the main rivers in the regions above alert levels for floodings.