Dave Bonta December 9, 2008 How the acoustics vary from one morning to the next! Yesterday, the hollow was a soundproofed room; today it’s as echoey as a concert hall. Share on social media Click to share on Bluesky (Opens in new window) Bluesky Click to share on Mastodon (Opens in new window) Mastodon Click to share on Threads (Opens in new window) Threads