Unexploded WWII bombs are still regularly found across Germany. But hundreds of thousands of tons of wartime munitions also lurk off its shores. Now Berlin is stepping up moves to clean up this perilous toxic waste.

To add a warning as it’s tourist season: If you’re looking for amber and minerals at the beaches - the danger of accidentally picking up white phosphorus is real. If you want to go beach combing or your children like picking up interesting things then bring a metal container for your treasure. Do not keep pieces in your hand and don’t just put them into your jacket or pants’ pocket. And warn your children.