O-bon festival for ancestors
most japanese visit the grave of their ancestor to temple during O-bon holidays
O-bon is summer holidays in Japan during the month of August. Every household welcomes back its ancestors’ departed souls to this world during this period.
Because the spirits of the dead are said to return at this time, fires are lit at the entrances to homes so the spirits do not lose their way, and, in addition to lanterns being lit inside homes.