Registered as National Treasure No. 260, Baengnyong Cave in Pyeongchang City, Gangwon Province, will be opened to the public from July 20. The cave is designated as an eco-learning site by the Ministry of Culture, Sports and Tourism.
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/koreanet/4811002039/">Baengnyong Cave</a>