Hundreds of people leapt into the Spree River’s calm, green-tinged waters in Berlin’s historic Mitte district on Tuesday, aiming to show it is both clean and enjoyable for swimming.
Berlin protesters swim in Spree to push for lifting 1925 ban

Hundreds of people leapt into the Spree River’s calm, green-tinged waters in Berlin’s historic Mitte district on Tuesday, aiming to show it is both clean and enjoyable for swimming.