Random Riddle: 1-10-2013

They found a cabin of an airplane that had crashed there with 3 bodies in it.
Hold your mouse over for the answer.
Three mountain climbers paid a lot of money to be the first to scale a mountain. After several days of climbing they finally reached the pinnacle, and to their dismay, found a cabin and three frozen bodies. Since the mountain climbers were the first to ever climb the summit, how could this be possible?