Christmas trees have been a symbol of the holiday season for centuries. They're associated with light, hope, and the idea of giving. Decorating a tree with lights, ornaments, and presents creates a warm, festive atmosphere that can bring people together and create a sense of joy and community. The tradition of decorating a tree dates back to Germany in the 16th century, where it was believed that the evergreen tree represented eternal life. Today, many people still decorate their trees with lights, ornaments, and presents as a way to celebrate the holiday season and the spirit of giving.