14 May 2015   |   Places

'Good Morning America' Explores World’s Largest Cave

Good Morning, Vietnam? No, Good Morning America. The popular morning American television program just reported from Son Doong Cave, which only came to the wider world’s attention in 2009 as the largest cave in the world. Inside, it’s amazing, it’s surreal, it’s a one of a kind lifetime adventure.

Watch Ginger Zee in the video at http://abcnews.go.com/GMA/video/drones-inside-hidden-world-live-30999977