The oldest and strongest emotion in humans is fear, and the oldest and strongest fear is the unknown.,The pained low growl startled the birds that were about to come into close contact on the peach tree, causing them to fly away angrily.,Looking around, tall peach trees grew, their branches stretching out, with blossoms that resembled clouds of rouge. Pink mists drifted through the air, like a painter had sketched a spring landscape.。