When you arrive in Petra, you have a fairly long walk from the visitor center to the actual archaeological site. Along the way, however, you can already see multiple cave entrances, typical for this landscape that the ancient Nabataeans made good use of.Souvenir shops abound. Solar panels provide power.We were surprised that references to Indiana Jones and the Last Crusade weren’t all over the place, but then we did happen upon these jolly knights at the entrance to the Siq, the narrow Cresc...