Complex sentence: Set on a beautiful, sheltered harbour and overlooked by craggy volcanic hills, Akaroa is a popular resort village and in summer the temporary population can reach 7,000 which places stress on the water supply, which is entirely dependent upon rainfall on the hills.
Split into simpler sentences: Set on a beautiful, sheltered harbour and overlooked by craggy volcanic hills, Akaroa is a popular resort village. In summer the temporary population can reach 7,000 which places stress on the water supply which is entirely dependent upon rainfall on the hills.