Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Mount Etna' has mentioned 'Horse' in the following places:
Occurrence Sentence Text Source
Mediaevalist Roger Sherman Loomis quotes passages from the works of Gervase of Tilbury and Caesarius of Heisterbach (dating from the late twelfth century) featuring accounts of Arthur's returning of a lost horse which had strayed into his subterranean kingdom beneath Etna.
Organized recreational activities such as mountain biking and horse / donkey riding require advance authorisation.