As the audio begins, the faint but growing hum of an airplane engine fills the air. The sound source seems to be originating from a distance, yet steadily approaching. There's an unmistakable sense of movement, of something large and mechanical soaring smoothly through the skies above. This is no small aircraft. The deep, resonating roar suggests a commercial plane, possibly a large jet, making its journey across the vast expanse of sky. The sound gradually grows stronger, the plane now directly overhead. The noise is momentarily deafening, the powerful engines of the airplane asserting their presence before slowly fading away. The plane's journey continues, its destination possibly the sunny city of Tempe, Arizona. One can almost picture the aircraft's silhouette against the backdrop of magnificent mountains, a metallic bird gliding effortlessly in the clear blue canvas of the sky. The sound of the plane's engines become fainter and fainter, until it's nothing more than a soft whi