National Geographic : 1916 Aug
PLAZA DE MAYO: BUENOS AIRES, ARGENTINA Buenos Aires is the most populous and the richest city in the southern half of the globe. Fiftyyears ago theArgentine was what Illinois and Iowa and Kansas were a hundred years ago-it had millions of undeveloped acres of the best blacksoil theearth hastooffer. But they were scores and even hundreds of miles from a railroad. Then came the railroads, opening up the countryand making athousand millionaires almost over night.