Inside a Russian Billionaire's $300 Million Yacht
https://www.youtube.com/watch?v=SYhBKx9uz1Q 0:21 in a cavernous New Jersey warehouse, ニュージャージーの広大な倉庫で
Going Old School: Vinyl Records Make a Comeback | NBC Nightly News
https://www.youtube.com/watch?v=UY28RB6-qHQ 1:07 cavernous storage areas 大きな物置き場所
A Day at the Operas | The New York Times
練習問題解答
a-2890 mega cavern
a-5474 cavern