Complex sentence: There are a number of historic buildings and other key sites in Cirebon, some of them in an advanced state of decay, including the buildings of the several kratons, the Sang Cipta Rasa Grand Mosque, and the Gua Sunyaragi Park.
Split into simpler sentences: There are a number of historic buildings and other key sites in Cirebon, some of them in an advanced state of decay. These include the buildings of the several kratons, the Sang Cipta Rasa Grand Mosque, and the Gua Sunyaragi Park.