 Complete the following phrase:  The MadridSeville high-speed railway line connects Madrid with Seville in the south of Spain, passing through the cities of Ciudad Real, Puertollano and Córdoba, where the MadridMálaga high-speed rail line branches off towards Málaga just outside Los Mochos near Almodóvar del Río. The route travels across the plains of Castile, travelling through the Sierra Morena mountains just before reaching Córdoba, before going onward towards Seville through the largely flat land surrounding the Guadalquivir river. The MadridSeville line was the first dedicated passenger high-speed rail line to be built in Spain and was completed in time for Sevilles 