CHAPTER 1 UNDERGROUND WONDERS Hundreds of stalactites hang from the ceiling They look like icicles But they are solid rock Water drips from the stalactites It falls into a shallow pool Each drop makes a spooky echo in the cave Crystal Cave in Bermuda has huge stalactites that reach toward blue pools 5
A cave is an empty space in the ground Many caves are dark and cold They can also be long and deep Most caves take thousands of years to form And once they are formed most caves are always changing FUN FACT The world's deepest known cave is the Krubera Cave It is in the country of Georgia It is more than 7,200 feet 2,195 m deep
