 Other landmarks said to lie on the line are Arques and Conques, the Lady of the Roses cathedral in Rodez, St. Vincent's in Carcassonne, and the Church of St. Stephen's in Bourges, and Rennes-les-Bains.While Dan Brown presents the Rose Line as "the world's first prime meridian", the idea of establishing a Prime Meridian dates back to antiquity, with suggested meridians running through Rhodes or the Canary Islands.When Greenwich was adopted as the universal zero longitude in 1884 (not 1888 as the novel says), it had at least nine rivals besides Paris (Berlin, Cadiz, Copenhagen, Lisbon, Rio de Janeiro, Rome, Saint Petersburg, Stockholm, and Tokyo).