The volcanic island of Ponza is blessed with a chromatic richness and no cliff looks the same. The world-famous crescent-shaped beach of Chiaia di Luna (Half Moon Beach) is dominated by sheer vertical white and yellow tuff cliffs that rise more than 300 feet (100 meters) above the turquoise-colored sea below. Locals claim that on nights when the moon is full, the cliffs reflect the lunar light back onto the waters below. At sunset, either from the sea or from the viewpoints above, it’s considered one of the most romantic…