It was a beautiful day
The sun was smiling at me and
The bees and flowers were singing harmonies
The answer to your question is the third statement.
Who's unique features? I'm not answering for points.. I'd like to help but.. ✨
Yes I think he actually sleeps there because throughout the whole poem he talks about how he loves this girl an how beautiful she is. Also by the other Edgar Allen Poe poems and stories I've read by him he seems to talk about death and is very literal about it.
Mr. Cavor has solved his dilemma of how to build the sphere.