A tour company that runs walking tours around Edinburgh’s Old Town has just scared its 100,000th customer. To mark the milestone, Alexandria Matos, a student from Edinburgh, was carried by sedan chair from the Royal Mile to Greyfriars Kirkyard to drink champagne with several ghosts – and a Skye terrier called Bob. She was also given a free tour, flowers and a magnum of champagne. City of Edinburgh Tours runs historical and ghostly tours of Edinburgh’s turbulent past, including underground tours of the city’s long-forgotten vaults. In 2012, the company acquired the old Police Box on the Royal Mile, outside the Tron Kirk, for £102,000 – making it, per square foot, one of the most expensive pieces of real estate in the world. The 100,000th achievement underlines the growing popularity of walking tours as part of the city’s attraction for tourists. Visitors to Edinburgh in 2014 totalled 4,217,000 (38.5% of which were from overseas), injected around £1.32 billion into the city region's ...