 Along the broad Reforma, double rows of eucalyptus trees were planted, gas lamps installed, and the first mule-drawn streetcars were introduced.The development was the catalyst for a new phase of growth from downtown Mexico City to the west, a direction that would define the city's structure for the next half century.During President Porfirio Díaz's terms (1876–1880, 1884–1911), patrons and practitioners of architecture manifested two impulses