The original alley of fountains had more decoration , including small boats alternating with terra cotta vases along the upper canal , planted with fruit trees ; .
The wall was decorated with sculptural plaques showing scenes from the Metamorphosis of Ovid .
The original alley of fountains had more decoration , including small boats alternating with terra cotta vases along the upper canal , planted with fruit trees ; and the wall was decorated with sculptural plaques showing scenes from the Metamorphosis of Ovid .