Gwen, 12, focused on clean air, using colored pencils and watercolors to create a Google logo composed of a half-moon for the G, a ring of stars and a sun as the O's, a rocket as the second G, a line of meteors for the L and a Saturnesque planet surrounded by smaller ones as the final E. A young, brown-haired girl lies beneath the ethereal scene, gazing up at it and holding onto the crescent moon.