www.bbc.com お帰りなさい！無事のご帰還に乾杯！ ＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊ Temporary skating rink is first to feature as part of Tokyo’s Christmas festivities 東京駅前に環境配慮型の樹脂製屋外スケートリンクが登場 A temporary skatin…