 She was unable to complete the ritual because Metanira walked in on her one night.Instead, Demeter chose to teach Triptolemus the art of agriculture and, from him, the rest of Greece learned to plant and reap crops.He flew across the land on a chariot drawn by dragons while Demeter and Persephone, once restored to her mother, cared for him, and helped him complete his mission of educating the whole of Greece in the art of agriculture.