For more than a year, Sidy, a 17-year-old migrant who recently arrived in France, has been staying with a family for several weekends a month - and a few weeks in the summer - as part of the "Families Solidaires" programme, an initiative of the Ille-et-Vilaine departmental council. "I feel a bit at home," says the teenager. "It shows that there are not only negative aspects to immigration in France," adds the father of his host family, Frederic Chantran. IMAGES AND SOUNDBITES