In China, every year on April 5 is tomb-sweeping day. Tomb-sweeping day is a traditional festival of our country, and it is also the most important festival of sacrifice, and it is a day of ancestor worship and the grave.
Our traditional tomb-sweeping day began about the zhou dynasty, it has a history of more than two thousand and five hundred years. At the beginning,clear is a very important solar term,when the tomb-sweeping day arrives, and the temperatures will rise.It is a good season to spring spring, so here is farmer's saying :"Before, during and after the qingming festival is a kind of melon seeds beans". "Afforestation, the mo ching"