Buenos Aires Retiring Century-Old Subway Cars

Passengers travel in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

Passengers travel in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise' wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

Passengers sit in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

Passengers travel in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

A lone passenger sits in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

A child looks through the window of a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

A child looks through the window of a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

A guard stands in the entrance to a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

Commuters travel in a wooden carriage car on the historic subway system, Line A, in Buenos Aires, Argentina, Wednesday, Jan. 2, 2013. The city government announced that the almost 100-year-old 'La Brugeoise"wooden carriages will be replaced in a short time by modern Chinese units. (AP Photo/Natacha Pisarenko)

People carry an Argentine flags during a rally marking the 29th anniversary of the return to democracy in Argentina, on the eve of the Human Rights day, in Buenos Aires, Argentina, Sunday, Dec. 9, 2012. Late Argentine President Raul Alfonsin took office on December 10, 1983 after seven years of military dictatorship. (AP Photo/Victor R. Caivano)

People demonstrate during a rally marking the 29th anniversary of the return to democracy in Argentina, on the eve of the Human Rights day, in Buenos Aires, Argentina, Sunday, Dec. 9, 2012. Late Argentine President Raul Alfonsin took office on December 10, 1983 after seven years of military dictatorship. (AP Photo/Victor R. Caivano)