Koyasan, in the mountains of Wakayama Prefecture, is a sacred site of Shingon Buddhism. It was founded by the visionary monk, Kukai, about 1,200 years ago. Pilgrims and tourists alike stay in shukubo temple lodgings, some of which even feature luxury rooms. Visitors enjoy shojin vegetarian cuisine, meditation sessions and walks through the forests, as well as a famous cemetery. On this journey, British photographer Alfie Goodrich explores the tangible, and intangible, treasures of mysterious Koyasan.