The River Po, along with its tributaries, is a lifeline for communities across northern Italy. It runs for 650km (400 miles), from the south-western Alps down to the Adriatic Sea. But annual ...

It is second in size only to the Volga - which, at 2,194 miles, is Europe’s longest river. However, in stark contrast to the Danube, the Volga crosses not a single international border - it ...