After that, you could say things like, "If we go over there, we should be in the Jurassic," or, "If we go up over that hill, we should find the Cretaceous."
Depois disso, podíamos dizer coisas como: "Se formos ali, devemos estar no Jurássico", ou "Se subirmos àquela colina, encontramos o Cretáceo".