Complex sentence: The mosque was designed by local architect Rizal Muslimin, selected as the winner of the 2007 competition for a new mosque in West Sumatra which was attended by 323 participants from around the world.
Split into simpler sentences: The mosque was designed by local architect Rizal Muslimin, selected as the winner of the 2007 competition for a new mosque in West Sumatra which. The competition was attended by 323 participants from around the world.