听力原文： Do you know how the custom of coloring Easter eggs began or how the tradition of the Easter Bunny began? The egg has always been a symbol of new life. Christians have long used the egg as the symbol of Christ's rebirth. It is thought the Crusaders brought the custom of dyeing eggs to Europe during the Middle Ages, as it was common practice among the Egyptians, Persians, Greeks and Romans to dye eggs for their spring festivals. In eastern and central Europe, Easter eggs are taken very seriously. The most elaborate eggs are decorated by the people from Poland and Ukraine. They call them 'pysanki' eggs, which mean written eggs. Thus began the custom of writing on Easter eggs. The most elaborate Easter eggs are not even real eggs. A Russian jeweler, Carl Faberge, made his eggs out of gold, silver and jewels. The eggs opened to show tiny figures of people, animals, plants or buildings. The Russian emperor gave these eggs as gifts. The custom of wearing new clothes on Easter began around 300 A. D., around the time of Constantine, the first Christian emperor. He decreed that members of his court should wear their finest clothes on Easter. The custom of the Easter egg hunt was started by a German duchess. It was said the brightly decorated eggs were left by the Easter rabbit for the country children, who made a game of finding the eggs. What does the egg stand for?