Lights are a big part of the festivities during Christmas around the world.Alexey Fedorenko/Shutterstock There are lots of different ways people celebrate Christmas around the world. In Japan, a bucket of KFC fried chicken has become a holiday staple. Christmas Eve in Finland can involve going to the sauna with your whole family. Christmas is a time of celebration and festivity, and there are many ways to observe it.Individuals may have their own holiday traditions, but customs also vary across different countries and cultures.