Scallop farming(ホタテ養殖)

Youtube検索結果はこちら

https://www.youtube.com/results?search_query=%E3%83%9B%E3%82%BF%E3%83%86%E3%80%80%E5%AE%8C%E5%85%A8%E9%99%B8%E4%B8%8A%E9%A4%8A%E6%AE%96