Complex sentence: It has a "quatrefoil" layout, which are in the form of four semi cylinders with barrel vaults, with the filials, spires and lancet windows built over it, and the edifice emerged as a fusion of Gothic and neo-Gothic motifs.
Split into simpler sentences: It has a "quatrefoil" layout in the form of four semi cylinders with barrel vaults. Filials, spires and lancet windows were built over it, and the edifice emerged as a fusion of Gothic and neo-Gothic motifs.