Complex sentence: Little Wormwood Scrubs is park in the London Borough of Kensington and Chelsea was originally part of Wormwood Scrubs and separated in the 1840s when the railway embankment of the West London Line was built.
Split into simpler sentences: Little Wormwood Scrubs is a park in the London Borough of Kensington and Chelsea. It was originally part of Wormwood Scrubs, and separated in the 1840s when the railway embankment of the West London Line was built.