Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Sanctuary of Machu Picchu' has mentioned 'Cave' in the following places:
Occurrence Sentence Text Source
Inti Mach'ay is a special cave used to observe the Royal Feast of the Sun.
On this day, noble boys were initiated into manhood by an ear-piercing ritual as they stood inside the cave and watched the sunrise.
The cave also includes a tunnel-like window unique among Incan structures, which was constructed to allow sunlight into the cave only during several days around the December solstice.
For this reason, the cave was inaccessible for much of the year.