It was a beautiful bright day. The sun poured down its flood of light, here and there energizing a molecule of the blue air into little sparkles of ionization; and below, a mist of bright clouds half veiled the darkness that was the bottom.
"What's it mean when someone blinks blue light in lots of flashes, and then glows red and starts sinking, huh, Grandpa?"
"I'll tell you later when you're older. Just be careful and don't get too close." He was abruptly excited. "Here it comes!"
Out of the blue translucence far below, a black dot appeared and grew rapidly, rushing closer until it was a huge fish-shaped object with widespread fins, rushing towards them. It would pass slightly to the left of them, and already the waiting crowd was moving to intercept it.