Petra is one of the most ancient lost cities and a protected world heritage site. A small city carved into the mountainside in Jordan you can check out more about Petra at the bottom YouTube video.
This will be exciting as they will surely find relics, artifacts and other treasures.
What is exciting is a team doing some satellite and drone research in this area near Petra discovered some monument and possible other structures buried beneath the desert stand but yet still detectable from an aerial view.