Complex sentence: The rural land near Elmbank was expropriated and its buildings demolished with successive expansions of the airport, and by the 1950s the only visible remnant of the Elmbank community was the Catholic cemetery.
Split into simpler sentences: The rural land near Elmbank was expropriated and its buildings demolished with successive expansions of the airport. By the 1950s, the only visible remnant of the Elmbank community was the Catholic cemetery.