ANJ4991974: Baroque art: Interior. Jealousy (lattice of wood and iron that allows you to see through, without being seen) of the Church of San Carlo alle Quattro Fontane (Saint Charles of the Four Fountains). Architecture by Francesco Borromini (1599-1667), 1665-1667. Rome, Borromini, Francesco (1599-1667) / Bridgeman Images