Up until the 50-60s in France, young girls aged from 12 to 21, known as ''Lost girls'', were locked up in extremely tough juvenile detention centers run by nuns. There were more than 100 of ... Read allUp until the 50-60s in France, young girls aged from 12 to 21, known as ''Lost girls'', were locked up in extremely tough juvenile detention centers run by nuns. There were more than 100 of these establishments across France.Up until the 50-60s in France, young girls aged from 12 to 21, known as ''Lost girls'', were locked up in extremely tough juvenile detention centers run by nuns. There were more than 100 of these establishments across France.