fɹʌm tˈuː θˈaʊzənd ɪlˈɛvən dˈæʃ tˈuː θˈaʊzənd fˈɪftiːn, blˈæk kˈæzəm kˈævɚn ˈɔfɚd ɐ nˈuː tˈuː.fˈaɪv ˈaʊɚɹ ˌɛkspədˈɪʃən tɹˈɪp, kˈɔːld ðə lˈæbɚɹˌɪnθ tˈʊɹ.
From 2011-2015, Black Chasm Cavern offered a new 2.5 hour expedition trip, called the Labyrinth Tour.