christmas tree decoration

In December every year, people around the world are eager to prepare furniture to decorate the Christmas tree together. The tree used by everyone on this occasion is the evergreen

Two students, Nicole Wrightman and Alex Craig of the Department of Social Mathematics at Sheffied University, UK, used computers to build mathematical formulas to decorate a

Christmas tree has self ever? When do people start decorating Christmas trees, and when should they be removed? These are things that not everyone knows.