Balmoral Show to get under way at Maze prison site 15 May 2013 Last updated at 06:39 Ireland's biggest agricultural and food show is due to open its doors later and, for the first time in more than a century, it will be outside Belfast. The Balmoral Show is now located on the former Maze prison site near Lisburn, County Antrim. For the past few days, more than 500 exhibitors have been preparing for the 145th show. Up to 80,000 people are expected to attend the three-day event. Members of the Royal Ulster Agricultural Society voted last June in favour of moving their headquarters to the former prison site. The new site at the Maze has been named Balmoral Park. It it has been transformed in recent weeks to accommodate the many exhibitions and hundreds of animals that will be on display. Meanwhile, visitors to this year's show have been urged to use free public transport.