They start small and inconspicuous, just a tiny sprout poking out of the ground when spring arrives. They move all day, tracking the sun from East to West as it makes its trek across the sky. Soaking the warm energy-providing rays, they grow astonishingly fast. Often reaching eight-feet tall in six months, they tower over you. Their large, round faces look down on you, seemingly smiling, happy to have you as company in their patch on Earth.