In this episode, we introduce the salmon culture that remained in Tohoku along the Sea of Japan and Niigata. There are ruins from Jomon period indicating that salmon were special in Sakegawa, Yamagata. The mystery act of returning to the river of its birth has led salmon to being termed as “God’s fish”. In the ruins, stones that are presumed to be used during salmon worship were left behind. We will introduce the culture of salmon worship that human has valued as a representation of gratitude and respect towards nature’s bounty.