07:03 10/4/2025 (SOUND)The world’s largest “” “” Crystal cave “” “” “” “” “” 0 (0) -5 +5 58 degrees humidity 100% Impossible Cave End Underground Magma Chamber Formation over 500,000 years How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.