Yalda night is a long night in the year that people celebrate that and in this night in the past people

 sat together till morning and said history and be happy and make fan in this night usually people try to eat

 

watermelon and Pomegranate because they believe that these two fruit make them save from Patients.

inside watermelon and pomegranate they read Shirazi book and they took fall because they believe that its right

and every poem which come for a person will be true and the same thing happen for him/her life.this night is the most long night in the year and after Yalda night is winter will start and the nights become short ans days become long then HAPPY YALDA NIGHT TO ALL....