For 50 years now, a remarkable work of the gospel has been going on in France among the travellers, called 'gypsies' or 'Romany people'.
These were the folk who live mainly in Eastern Europe (and also Spain). Hitler tried to eliminate them along with the Jews and other minorities. They have also been subject to attacks in recent years from extreme right wing groups in Europe.
Some have become sedentary, having put down roots, but others are always on the move. They tend to settle in one place for the winter, which creates panic and fear in the locality, and to travel in the summer. It is a mentality which defies all our social structures.