SECOND PART
CHAPTER 10: The Underwater Coalfields
(continued)
"In the very heart of an extinct volcano," the captain answered me,
"a volcano whose interior was invaded by the sea after some convulsion
in the earth. While you were sleeping, professor, the Nautilus
entered this lagoon through a natural channel that opens ten meters
below the surface of the ocean. This is our home port, secure,
convenient, secret, and sheltered against winds from any direction!
Along the coasts of your continents or islands, show me any
offshore mooring that can equal this safe refuge for withstanding
the fury of hurricanes."
"Indeed," I replied, "here you're in perfect safety,
Captain Nemo. Who could reach you in the heart of a volcano?
But don't I see an opening at its summit?"
"Yes, its crater, a crater formerly filled with lava, steam, and flames,
but which now lets in this life-giving air we're breathing."
"But which volcanic mountain is this?" I asked.
"It's one of the many islets with which this sea is strewn.
For ships a mere reef, for us an immense cavern. I discovered it
by chance, and chance served me well."
"But couldn't someone enter through the mouth of its crater?"
"No more than I could exit through it. You can climb about 100 feet
up the inner base of this mountain, but then the walls overhang,
they lean too far in to be scaled."
"I can see, captain, that nature is your obedient servant,
any time or any place. You're safe on this lake, and nobody else
can visit its waters. But what's the purpose of this refuge?
The Nautilus doesn't need a harbor."
"No, professor, but it needs electricity to run, batteries to
generate its electricity, sodium to feed its batteries, coal to
make its sodium, and coalfields from which to dig its coal.
Now then, right at this spot the sea covers entire forests that
sank underwater in prehistoric times; today, turned to stone,
transformed into carbon fuel, they offer me inexhaustible coal mines."
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