Long long ago,there were three princes and a beautiful princess.The three princes fell in the princess in the same time.The princess wanna choose one from them,so she let them go around the world then married the prince who came back at the first time of all.One of princes went towards east,one went towards west.The other one went around the princess and said:"I'm back now!"The princess asked him in curious,"why?" He answered:"u r just a human for the world;for me,u r the whole world."