On my walk ... (story )

Once upon a time there was a  man who was walking through a forest.Suddenly , he found a cave .He decided to go in.Inside there was a strange old man who was digging .He was talking by himself .The man's first thought was that the old man was crazy.
The younger man asked the other man "What are you doing ?"The old man said "I'm trying to find soem treasure .I've heard about it since I was a child .