Bővebb ismertető
MYSTERIES OF THE DEEP
Owing to the immensity of the sea, the elusiveness of its
T
^ oday thei-e are no longer any blank spaces left on the maps of the conti-
nents. The voids of human knowledge have been nietic-ulouslv filled in, with every comer of the planet studied, charted and explored. The innate human longing to find untrodden ways, to feel the exhilaration and fear of entering true wilderness, can no longer be satisfied on land.
life in the deep remains a mystery. Modern exploration techniques, however, are gradually revealing its secrets.
inhabitants and the difficulties of exploration, much about equipped for the conditions,
from all but the surface and top few yards of the oceans. Below that, in the twilight depths that plunge eventually into an absolute darkness, we can descend only in specially armoured submersibles designed to withstand the pressure. While this advanced technolog)' offers unprecedented access to the 'abyssal zone' - the ocean's
Only the sea retains its essential mys-ter)'. Much of it is still a defiandy unknown realm. The immense pressure that is generated by the weight of the water excludes human beings, unless they are specially
farthest depths - a manned submersible