Louis Pernot, 50 ans, pastor of the reformed church of the Étoile, set up three hives three years ago on the roof of this neo-baroque edifice on the Avenue de la Grande Armée. "My parishioners found that super, the young come to see it, the people are interested, they find it original and they buy my honey, which sells like hot cakes and provides a financial addition to the parish. I studied to be an engineer. The difficulty with beekeeping in Paris is the neighbors. They love the country when it's on TV but when the bees go onto their flowers, they're scared."