Complex sentence: Thorondor flew down and raked Morgoth's eyes, and carried Fingolfin's body away to be placed on a cliff overlooking Gondolin and Turgon built a cairn over the remains of his father.
Split into simpler sentences: Thorondor flew down and raked Morgoth's eyes, and carried Fingolfin's body away to be placed on a cliff overlooking Gondolin. Later Turgon built a cairn over the remains of his father.