Complex sentence: The majority of the cemetery's headstones are simple in design, and inscribed with birth and death dates and they predominantly consist of a combination of rounded, arched stones, rectangular stones, and pyramidal-shaped obelisks, which appear to be cut from limestone.
Split into simpler sentences: The majority of the cemetery's headstones are simple in design, and inscribed with birth and death dates. The headstones consist of a combination of rounded, arched stones, rectangular stones, and pyramidal-shaped obelisks, which appear to be cut from limestone.