Complex sentence: Outdoor sports facilities are bring developed at Grangegorman and at Broom Bridge adjacent to Broombridge railway station and the canal bridge where Sir William Rowan Hamilton first wrote down the fundamental formula for quaternions.
Split into simpler sentences: Outdoor sports facilities are bring developed at Grangegorman and at Broom Bridge. The later is adjacent to Broombridge railway station and the canal bridge where Sir William Rowan Hamilton first wrote the fundamental formula for quaternions.