Booom! to the past
 

WW2 bomb blows up in Germany, Munich, during construction works.

https://www.bbc.com/news/world-europe-59487910

In my hometown there have been more findings and evacuation in the past 3 or four years than before. Efforts to find bombs like this have been intensified, due to the age of the mechanisms the risks for uncontrolled explosions of unfound explosives is rising. Especially ammunition that was dumped in the Baltic is a risk becoming bigger every year.

Thankfully nobody lost their lives.