Heavy rush hour traffic in Buenos Aires, aerial view of Obelisk on 9 de Julio

visit buenos aires buenos aires 9 de julio avenue avenida 9 de julio widest avenue in the world visit argentina obelisk of buenos aires argentina south america argentine widest street el obelisco heavily congested traffic congestion bus rapid transit car traffic peak hour 9 de julio city bus lanes downtown peak traffic traffic rush hour congested national landmark exhaust emissions street travel travel destination commute cityscape aerial view greenhouse gases vehicles sightseeing transport transportation aerial lanes architecture busy obelisk republic square car drone global warming monument attraction