Complex sentence: One of the most famous embroideries of the Medieval period is the Bayeux Tapestry, of cloth embroidered with wool that is 230 feet long and which narrates the Battle of Hastings and the Norman Conquest of England.
Split into simpler sentences: One of the most famous embroideries of the Medieval period is the Bayeux Tapestry, which was embroidered with wool and is 230 feet long. Its images narrate the Battle of Hastings and the Norman Conquest of England.