Patrick Nouhailler's pictures .

San Miguel de Tucumán    is the capital of the  Tucumán Province , located in northern  Argentina  at 1,311 kilometres from  Buenos Aires . It is the fifth biggest city of Argentina after Buenos Aires,  Córdoba ,  Rosario  and  Mendoza , and it is also the most important city of Northern Argentina. It was founded in 1565 by Spanish  Conquistador   Diego de Villarroel  during an expedition from  Peru , and was moved to its present site in 1685.

Buenos Aires  is the capital and largest city of  Argentina , and the  second-largest metropolitan area  in  South America , after  Greater Sao Paulo  It is located on the western shore of the estuary of the  Río de la Plata , on the southeastern coast of the South American continent.  Greater Buenos Aires  conurbation, which also includes several  Buenos Aires Province   districts , constitutes the third-largest  conurbation  in  Latin America , with a population of around thirteen million.