Bats used to be thought of as spooky flying creatures, denizens of nightmares and scary stories -- but now we know that they are an incredibly important part of their local ecosystems.
원문출처 : http://www.cnn.com/travel/article/bat-cave-austin-texas/index.html
원문출처 : http://www.cnn.com/travel/article/bat-cave-austin-texas/index.html