Create a digital art image that depicts a powerful scene from a historical tale set in an agricultural setting beyond a great river. The scene is filled with people mourning deeply, their faces etched with sorrow and grief. They express a great and very sore lamentation at the threshing floor of Atad. There is a focus on one individual who spearheads mourning rituals for his father, lasting over a period of seven days. The atmosphere is filled with a sense of loss, grief and solemn respect.