Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Boyana Church' has mentioned 'Well' in the following places:
Occurrence Sentence Text Source
[5] The carving of the horseman's halo and garments, as well as the bird in front of the horseman's face, are barely recognizable due to the erosion and bad condition of the monument.
The meaning and symbolism of the depiction is uncertain, as well its actual masonry tradition and cultural source.