Complex sentence: The church is a narrow jointed timber structure built without the use of metal nails on a stone block and pebble base, with a tall thin clock tower at the end of the building and a shingle roof.
Split into simpler sentences: The church is a narrow jointed timber structure built without the use of metal nails on a stone block and pebble base. The building has a tall thin clock tower at the end of the building and a shingle roof.