I ragazzi venuti da Hamelin

The legend of the Pied Piper may have a kernel of truth. In the 13th century, many young people really disappeared from Hamelin,  Germany, not because of a piper who led them away in revenge – after he was refused his payment for the removal of the rats from town – but as a consequence of another incident. What was the cause? Now, in the mountains of Lower Saxony, a long line of young men and women wanders in ancient clothes with a bewildered look on their faces. They are waited by military vehicles disguised as civilian trucks, just as if someone knew they would come back. But who?