Complex sentence: The interior, on Latin cross plan with one nave and two aisles, has mainly Baroque decorations, including a "St. Barbara" sculpted by Giannantonio Mari (1657), probably designed by Bernini.
Split into simpler sentences: The interior, on Latin cross plan with one nave and two aisles, has mainly Baroque decorations. Notable is a statue of "St. Barbara" by Giannantonio Mari (1657), probably designed by Bernini.