LXVI.

THE WIELICZKA SALT MINES.

THE GREAT WIELICZKA SALT MINES, THE LARGEST IN THE WORLD.—THEIR HISTORY.—EXTENT AND PRODUCT.—DESCENT INTO AND EXPLORATION OF THEM.—WHAT IS TO BE SEEN.—MINERS AT WORK BLINDFOLDED.—WONDERFUL CHAMBERS.—GLOOM CONVERTED INTO SPLENDOR.—BANQUETS IN THE BOWELS OF THE EARTH.—THE INFERNAL LAKE.—HUMAN DEMONS.—AWFUL APPARITIONS.—EXTRAORDINARY NARRATIVES. 930