Complex sentence: The sculptures in the cloister, the main portal, the window in the apsidole and the gallery, are all worked in pink marble from the Conflent, which makes a startling contrast to the green-grey of the schist.
Split into simpler sentences: The sculptures in the cloister, the main entrance, the window in the Apsidole and the gallery, are all worked in pink marble from the Conflent. They make a startling contrast to the green-grey of the schist.