This reminds me of the Tree of Life spoken of in the Scripture. Across the river that comes from God's throne is the Tree of Life. It is on either side of the river separate but converges over the water into one.

You have the tree of knowledge of good and evil where Satan used the serpent as a medium to divide the human race from God.

You have the symbol of the cross, where scriptures say cursed is the one who hangs on the tree. So we have a symbol of life a tree, used as an instrument off death upon Jesus. Jesus says, when I am lifted on the cross shall draw (bring together/converge/bring order)all men to me.