Persephone (or Kore - The Maiden) is the goddess of the underworld in Greek mythology. She is the daughter of Zeus and Demeter, goddess of the harvest. Persephone was such a beautiful young woman that everyone loved her, even Hades wanted her for himself. One day, when she was collecting flowers on the plain of Enna, the earth suddenly opened and Hades rose up from the gap and abducted her. None but Zeus, and the all-seeing sun, Helios, had noticed it.
Persephone, Falling by Rita Dove
This is how easily the pit opens. This is how one foot sinks into the ground.