Hi List
This powerpoint presentation was sent to me today of Hang Son Doong cavern which
was originally discovered in 1991, but not explored until 2009. Simply amazing!
Christine
[Non-text portions of this message have been removed]
Christine,
That cave system reminds me of Etidorhpa, the greatest book on underground worlds ever.
Dean
ยทยทยท
--- In [email protected], Christine Heffernan <chris_heffernan7@...> wrote:
Hi List
This powerpoint presentation was sent to me today of Hang Son Doong cavern which
was originally discovered in 1991, but not explored until 2009. Simply amazing!Christine
[Non-text portions of this message have been removed]