שמע משותף

Drowning! I woke up underwater, deep underwater, and this was my first conscious thought. Cold. Dark. Where was the surface? I kicked in all directions, trying to find my way up. I twisted and turned, and then I saw it: a light. Dim, pale, and far away. Instinctively I shot for it, and quickly noticed that the water around me was growing brighter. That had to be the surface, the sun. But how could the sun be…square? I must be seeing things. Maybe some trick of the water. Who cares! How much air