Christmas lights consist of a variety of Electric Light for decorations, usually in connection with Christmas celebrations. These lights are used both inside and outside. Outside, they are often used to decorate buildings, trees and walkways, while inside , Christmas lights can be used to decorate Christmas trees and other areas. Christmas lights are usually in the shape of Christmas symbols such as Santa Claus, snowflakes, snowmen, stars, angels and so on. This form of decoration has deep cultural and religious overtones in all parts of the world. It is thought that electric lights were first used to decorate Christmas trees in the 19th century when Thomas Edison first began experimenting with electric lights. Christmas lights have become part of our communities holiday celebrations. In many towns, large light displays made up of thousands of bulbs light up the night creating a festive atmosphere for all. It's not just cities that get in on the act either: many people choose to hang lights from their homes. The modern Christmas light and its various incarnations have been used to provide a bit of joy to holiday celebrations for centuries. From the simple glass bulbs of the late 19th century to the brilliantly colored LED lights of today, Christmas lights bring a sparkle and cheer to any season.