Complex sentence: While three churches serve the local community, of particular interest is the Anglican church, which is well over 100 years old and is noteworthy for its maintenance, since it has not been an active church for over 20 years.
Split into simpler sentences: While three churches serve the local community, of particular interest is the Anglican church, which is well over 100 years old. It is noteworthy for its maintenance, since it has not been an active church for more than 20 years.