In a sunny day, an old man take his pet monkey to the park for a walk. But walking, the old man forgot how far he walked. Then he saw a bench in the front and want to have a rest. But just sit down and a fly is on the old man flying around, the old man felt very tired, want to drive off the fly, laid his hand. Butthe old man's action was to the next monkey don't understand, it imitate the old man's action of keeping the fly away,at last played to the old man's face carelessly.