By Tobias Carroll As it turns out, the future of Notre-Dame Cathedral involves a journey into its past. As part of the ambitious plans to have the historic building reopened by 2024, a host of repairs and renovations are now underway — and, as The Guardian reports, a group of archaeologists has found some intriguing artifacts located less than a foot below the surface. Among the group’s findings were artifacts dating back to the 13th century, along with tombs from the Middle Ages and religious artifacts. Of particular note for historians and architecture buffs alike was the discovery of the re…