Complex sentence: The Coogee Aquarium and Swimming Baths were officially opened on 23 December 1887, it covered a block of land bordered by Arden Street, Beach Street, Bream Street and Dolphin Street.
Split into simpler sentences: The Coogee Aquarium and Swimming Baths were officially opened on 23 December 1887. It covered a block of land bordered by Arden Street, Beach Street, Bream Street and Dolphin Street.