I need to know my details before answering! So are you from connexus? :)
Walked. We is the subject and to the Park is where the subject went. Walked is what they did.
A connotation is the feeling a word invokes. A denotation is what the word literally says.
Example: If these words were on a trip, connotation would be the baggage, and denotation would be the traveler.
Answer: The catacombs are human-made subterranean passageways for religious practice. Many of the walls are aligned with human remains to the ceiling, and there is a small depression in the back wall. Overall, catacombs are dark, extensive, damp, and filled with piles of human bones.