The tourist site La Portada, located just to the north of this city, is a 140-foot tall and 70-foot wide rock arch jutting out of the ocean. This city's government set up a controversial Barrio Transitorio to encourage migrants to move out of the campamentos that dot this city's hillsides. In the desert 40 miles southeast of this city, a massive concrete hand designed by Mario Irarrázabal (“ee-ra-RAH-zah-bull”) is located near Route 5. The Mejillones (15[1])Port Complex, located 35 miles north of this city, is undergoing a consolidation under its owner (*) Codelco. This is the namesake of, and the largest city in, the region (10[1])that contains the mines of Escondida (-5[1])and Chuquicamata. (-5[2])The lithium and copper industries (-5[1])make this city's (-5[1])GDP the highest in Chile. For 10 points, name this city south of Iquique, the largest in the Atacama Desert. (10[5]0[7])■END■