The alarm sounds.
Three short, sharp bursts of an air horn. From where we’re positioned in the Jeep, we can hear the mechanical unlocking of heavy metal. Big metal doors being slid open, and the thunderous noise of millions of gallons of river water rushing toward the falls.
“Holy s**t,” Edge says, “here comes the water. It sounds like the end of the freakin’ world.”
“The Sergeys,” Rob says, his right arm outstretched, index finger pointed at the two Russians standing maybe twenty feet from the cave opening.
The roar of the falls grows louder and louder. You can almost feel the earth trembling. The Sergeys begin to run for the cave. But Sergey Junior is too injured. He can’t run. Sergey Senior is yanking on his son’s arm. He’s screaming at him to get up.
The water roars, the earth tre
