Photographs taken from the inside of musical instruments, making them look like large and spacious rooms - the inside of a Cello. What if we were to design a room with skylights shaped so the room appeared to be the inside of an instrument.
This is also a musical pun. The symbol above the second music note is called an "accent" so it's kind of like a play on words. Witty, Amusing Pun This doesn't really say anything about man kind either. It's just another musical pun.