Christmas lights are one of the most popular symbols of the holiday season. Every year, homes around the world twinkle with the dazzling display of lights that bring a special kind of holiday cheer. For many families, it's an annual tradition to set up the Christmas lights. It's a wonderful way to get into the holiday spirit, as there is something quite special about decorating the home for Christmas. Families spend hours untangling the lights, setting up the display, and checking each bulb to make sure everything will look its best. Once the lights are in place, they come alive at night. There is something quite magical to behold when stepping outside and seeing the multi-colored display of lights on the house. Many of today's Christmas lights come with an array of colors and effects that can be used to create a unique display. Some of these lights even have twinkling and fading effects, or they can be programmed to rhythmically flash in time with holiday music. The sight of Christmas light displays never gets old and is one of the joys of the Christmas season.