Complex sentence: The Quaker Burying Ground, although part of historical Bunhill Fields, is separate from the main burial ground, lying slightly further west, on the far side of Bunhill Row, and entered from Chequer Street.
Split into simpler sentences: The Quaker Burying Ground, although part of the area historically known as Bunhill Fields, is quite separate from the main burial ground. It lies further west, on the far side of Bunhill Row, and is entered from Chequer Street.