“A son and his father were walking on the mountains. Suddenly, his son falls, hurts himself and screams: “AAAhhhhhhhhhhh!!!”

To his surprise, he hears the voice repeating, somewhere in the mountain: “AAAhhhhhhhhhhh!!!”

Curious, he yells: “Who are you?” He receives the answer: “Who are you?”; And then he screams to the mountain: “I admire you!”;The voice answers: “I admire you!”