As is shown above, on the sky fly a group of doves symbolizing the volunteers who are deeply involved in the Shanghai world exposition. In the middle of another picture happily walks a young volunteer, holding a heart shape symbol representing the spirit of volunteer. Just as a proverb says, the fragrance always stays in the hand that gives the rose. There has been a heated discussion about these pictures recently in the newspaper. Simple as the pictures are, they do demonstrate certain thought-provoking social phenomenon.
如图所示，一群象征着志愿者的白鸽正在飞想上海世博会。在另一幅图中，一位志
