Complex sentence: The Virgin Mary made an apparition, according to the people who witnessed it, they saw the virgin standing mid-air over the Basilan Strait, she had her right hand raised to signal the onrushing waves to stop, saving the city from a tsunami.
Split into simpler sentences: The Virgin Mary made an apparition, and according to the people who witnessed it, they saw the virgin standing mid-air over the Basilan Strait. She had her right hand raised to signal the onrushing waves to stop, saving the city from a tsunami.