In Paris, the association 'Taxis du Coeur' (Taxis of the Heart, Eds.) makes its Saturday night rounds in the French capital as they have done for five years. Their three cars and dozen or so volunteers - equipped with 120 hot meals, drinks, sanitary products, tents, sleeping bags and warm clothing - finish the round in less than two hours. It's a sign, says the association's co-president Izem, that homelessness is "increasing". IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES