根据“Denver International Airport (DEN)”部分中“A free mini golf course is open for one month each summer and from November through January a complimentary ice skating rink includes free skate rentals. (一个免费的迷你高尔夫球场每年夏天开放一个月,从11月到1月,一个免费的溜冰场包括免费的溜冰鞋...