Ireland is known for its ancient castles that date back several centuries, to the time when most of the land was ruled by Vikings. Tourists can walk through their magnificent gardens and explore the majestic castles, many of which still have furniture and other antique items belonging to former residents. The Malahide Castle, located on the seaside of Dublin, Ireland's capital city, was home to members of the same family for more than 800 years. Why does the writer mention Malahide Castle in the above paragraph?