Complex sentence: Much of the fort was destroyed during the re-building of the village from 1805-09 and the Doorie Hill (see below), which marked the junction of the citadel and the bailey, is the only remaining piece of the southern ramparts.
Split into simpler sentences: Much of the fort was destroyed during the re-building of the village from 1805-09. The Doorie Hill (see below), which marked the junction of the citadel and the bailey, is the only remaining piece of the southern ramparts.