It looked like an ordinary painting my some inauspicious follower of Leonardo. When conservators got to work, however, they discovered that, beneath later layers of restoration and repair, lay a lost Da Vinci masterpiece. Could such a treasure lie beneath the surface of the Didache? A series of three short videos explores beneath the surface of the Didache and notes initial indications which suggest that, in its original form, the Didache, after all: 'The Teaching of the Twelve Apostles'.