Text: The remains, which include streets with houses and pretty communal squares, have been placed under a protective, corrugated roof that gets hot and crowded, so try to visit as early in the day as possible.
Entailment: You will want to make your visit early in the day, because the temperature gets hot and the place gets crowded as well.
Contradiction: The remains include the trees and dried up ponds, visit them whenever you feel like it.