'Sitting on a Powder Keg': Germany's WWII Duds Get Deadlier

[sysop]

Tens of thousands of unexploded Allied aerial bombs from World War II are still lurking underground in German cities. The treacherous delay-action bombs in particular pose a growing threat because their detonators have corroded to the point where they have become too dangerous to defuse.

http://www.spiegel.de/international/...-a-859201.html