We took the subt (subway) to the political center of Buenos Aires. This area has the Casa Rosada (Pink House, like our White House) and other governmental buildings, statues, parks, the Obelisco (tall monument), and protests.
In the subt.
A protest. It sounds like they happen frequently.
Here's a sound clip from the protest:
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La Casa Rosada
Avenida 9 de Julio, the world's widest road (20 lanes).
El Obelisco is in the center of Avenida 9 de Julio.
A street artist.