The Battle of Kursk was a catastrophic defeat for Germany; the Wehrmacht suffered around 200,000 casualties and lost nearly 700 tanks and 1,000 aircraft. These losses were irreplaceable.

"I assume somebody buried it on this land and then fled to Switzerland," the young man who shared the pictures theorized.

The EU's fight against organised crime Law enforcement authorities from EU member states, and EU agencies work together to combat serious and organised crime in Europe.