Where does the tradition of putting up the Christmas tree come from?

Christmas is here and with it all the adornments that turn our houses and city streets into magical places. One of the most popular is undoubtedly the Christmas tree, but how did this curious tradition begin? Where does this spruce decorated with balls and ribbons come from that is installed in our homes for a few weeks? Lovers of Christmas and curiosities, this is for you so… Let’s get started!