Since they feasted when they were alive, now they have to stare at delicious food, but can't eat it.
Cornice #7: Lustful
They are covered by sheets of flame bcause that is you purify your soul.
Dante must cross the Wall of Fire for the final purification. Once he passes he won't be with Virgil, because that is the poets punishment. He will be guided by Statius, the central figure of Purgatory.
Dante reaches the Earthly Paradise, where he meets Matilda, there, he has a dream about a war.
Beatrice arrives in a Heavenly Pageant.
Beatrice and Dante stare at the sun to transport themselves to Paradiso through the light.