Inside the Tower; Unmanned; Wonder of the World | 60 Minutes Full Episodes [31:09-32:06]
Leading us were explorers Howard Limbert, whose work in Vietnam over 30 years discovered 500 caves and Peter McNabb, whom Limbert sent to be the first in Song Dong. I find it an adventure going exploring and not quite knowing what's around the corner and just sort of finding your way through and things reveal themselves like big chambers, big passages or tight narrow bits, beautiful formations. And there aren't a lot of places on earth that you can discover for the very first time. No, you have to look pretty hard for them. You have to look pretty hard for the entrance to Song Dong. You'd hardly notice but for the writing on the wall proclaiming the miracle of Ho Khan. In 1990, Ho Khan, a villager, discovered this entrance after he sheltered here from a storm.
{# E23 (Nick, ruling section 1 answer 10): quoting a bill or a court opinion works
the way quoting a news article works. Select a passage above and the same panel
opens: the passage goes to the official you choose, with this document's own
address as its source and its own type. #}