No-one said it was a trivial thing SG, but every country that has seen war suffers from this problem. These things were taken into account by the powers that be, dont ever think they arent.
WWII bomb in Rhine near Koblenz successfully defused...About 600 tonnes of unexploded ordnance are discovered in Germany every year, our correspondent says. Everyone living within a 2km (1.25 mile) radius of the bomb site was ordered to leave the area.
Shelters with 12,000 beds were set up in schools to accommodate those with no other place to go. However, only 500 people were reported to have made use of them. Most residents went to stay with friends or relatives.BBC
Defusing Berlin's WWII bomb legacy
20 June 2011
Ralf Kirschnick gets called out several times a month to stand over a lump of death which failed to explode more than six decades ago.
His job is to make bombs safe, either by leaving a detonator and walking a long way away before exploding the whole lot, or - if it is too close to people and property - by defusing it. BBC
For all that you relate to Germany, you seem to forget that the Soviets have only just left.
Abandoned Soviet Outpost - Glimpses of a Forgotten, Forbidden City
Few people have heard of Wünsdorf, but it used to be the biggest military base in Europe. In the 1980s, when it was the headquarters of Soviet forces in communist East Germany, it had a population of 60,000, of whom 50,000 were soldiers.speigel online
A trophy for your false history.
Oh fiddlesticks. This may be a new thing and confronting thing for you, but its something that has come up repeatedly for others.