On their sixth adventure, Chirri and Chirra bicycle beneath the waves, discovering the beauty of coral and the deliciousness of marine edibles. Chirri and Chirra are pedaling along when they find a cave. At the end of the tunnel, they see a light. Oh They are under the sea They pedal through a maze of color and pass through an opening in the seaweed, into a scene of seashells of all colors and shapes. Naturally, they come upon sea...