Paper lanterns in ancient times:

Paper lanterns, also called sky lanterns, have unknowingly become a part of the festivals and lives of people from cultures across the world. A few Chinese legends, which take you back to ancient times, tell the story of how paper lanterns came to be used. One such story explains that this invention was basically built to please the gods from heaven. Another legend tells about the anger of the Jade emperor from heaven, who made villagers put up sky lanterns and pretend that the capital was on fire.