ANNALISA DEL VECCHIO WRITES – It could well become the most noticed new archaeological site in the world. Imagine an open air museum, a tourist site and a display of ancient history rolled into one. This is the future Al-Ula, a project that France and Saudi Arabia agreed jointly to develop last year. Al-Ula, an archaeological site located about 1100 kilometers from Riyadh, will contain ancient cultural artifacts dating back a thousand years, towering sandstone mountains and a lush oasis…