Europe’s wildfires are exposing a hidden danger: unexploded WWII bombs

Explosive fillings can ignite or detonate when heated past a critical threshold

When a wildfire broke out in the Müritz National Park of north-eastern Germany in July, it was no routine firefighting job. Bomb disposal teams had to work alongside firefighters because the forest floor is contaminated with cold war-era munitions. Crews could not approach parts of the blaze directly for fear of detona