"I will let you pass safely," the Sphinx said, "if you can answer my riddle."

Suddenly, the Sphinx raised its head.

The Sphinx began to walk around him.

This terrible monster was the Sphinx.

When he was about to pass, the Sphinx jumped in front of him.

The Sphinx had eaten hundreds of people on their way to the city of Thebes, because they could not answer the riddle the cunning Sphinx had asked them.