@CNN: Climbers discovered this giant cave earlier this month. They were studying a massive sinkhole in China when they realized one of the largest cave halls in the world was beneath them. https://t.co/JHqpDP1uRC https://t.co/aaCA5b0P4k
Climbers discovered this giant cave earlier this month. They were studying a massive sinkhole in China when they realized one of the largest cave halls in the world was beneath them. https://t.co/JHqpDP1uRC pic.twitter.com/aaCA5b0P4k
— CNN (@CNN) October 27, 2018