Complex sentence: The present church was erected under the supervision of Fray Eustaqio Tores, OSA in 1870 but was left unfinished which is why there is no particular architectural style found in the edifice.
Split into simpler sentences: The present church was erected under the supervision of Fray Eustaqio Torés, OSA in 1870. This probably explains why there is no particular architectural style found in the edifice.