I never knew there were caves that existed like that on this planet. Exelent on going in to the details of what it takes to discover new frontiers; let downs, failures, sucesses and inventing new and improved technolagies to do so.
Wished i woulda listened to the reviews before i purchased it. Should've ben called the worst book in the world. I love Robert Whitfield as a narrater especially in count of monte cristo, but he shoulda turned this one down!
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