Everyone is born with a pair of ears that can hear all kinds of melodies: beautiful, troublesome, noisy... Among the many rhymes, as long as you listen carefully, you can get the most moving melody of nature, the melody of love. The afterglow of the setting sun has not faded away, and the clouds in the sky are burning with the passion of the sun. Lao Yu took his little grandson for a walk on the beach, and the sea breeze blew his white hair from time to time. The little grandson was playing non-stop, and he seemed to be thinking about something. The sun set and the sea returned to calm, but Lao Yu's heart could not be calm. He was always worried about his son.