The head of the Roman Catholic Church is due to arrive in Mexico on Friday. <br /> <br />It will be Pope Benedict the 16th's first trip to the country. <br /><br />Preparations are underway in the city of Leon, where an estimated three million pilgrims are expected to attend mass.<br /><br />After Mexico, Benedict will tour Cuba, likely pushing for permission to build catholic schools and seminaries.<br /><br />Al Jazeera Adam Raney reports from Mexico City.
