Christmas lights are a traditional decoration used during the festive season, particularly in town and city centres and public areas. They bring a festive feel to the area and create an atmosphere of seasonally-themed joy. Often these lights are used to decorate trees, doorways, buildings and other places throughout the area. Christmas lights usually come in strings of white, yellow, blue, red and green, although colored lights are becoming increasingly popular. Each strand of lights is powered by a power source, typically in the form of a plug that is connected to an outlet or battery pack. Usually the lights are linked together, creating a magical effect when activated. In addition to just plain Christmas lights, some shops and businesses go a step further and use animated Christmas lights to create interactive displays. These lights have moving images built into them that can be used to create a festive atmosphere. Overall, Christmas lights are a great way to light up the festive season and bring cheer to the festivities of the year. From small residential displays to large corporate displays, the impact of Christmas lights can be felt throughout the city, making it a wonderful time of year.