Complex sentence: Cecil was an African lion that primarily lived in the Hwange National Park in Zimbabwe, who on 1 July 2015, was shot to death by a big-game hunter, Walter James Palmer, who had wounded him with an arrow two days prior.
Split into simpler sentences: Cecil was an African lion who primarily lived in the Hwange National Park in Zimbabwe. On 1 July 2015, he was shot to death by a big-game hunter, Walter James Palmer, who had wounded him with an arrow two days prior.