Complex sentence: While not so large there is a resemblance, but other continental influences appear to have crept in: classical pediments jut from mansard roofs, spires and gables jostle for attention, and the whole is surmounted by a cupola.
Split into simpler sentences: While not so large there is a resemblance, but other continental influences appear to have crept in, classical pediments, jut from mansard roofs. Spires and gables jostle for attention, and the whole is surmounted by a cupola.