Pre-production is underway on the latest J.R.R. Tolkien book to be given the Hollywood blockbuster treatment.<br /><br />The Hobbit, like the Lord of the Rings before it, is to be filmed in New Zealand.<br /><br />The popularity of the films has given a boost to the country's tourism industry.<br /><br />Al Jazeera's Gerald Tan reports from the ski fields of Tongariro National Park, New Zealand.
