Buenos Aires This Week: Free Art, Fairs & Tango

City Guide Key Facts —Live Agendas. Time Out Buenos Aires and BuenosAiresConnect refresh their event listings every few days with current exhibitions, concerts, and ferias. —Museums Any Week. Malba, MACBA, and Bellas Artes offer world-class art collections with guided visits and new exhibitions throughout the year. —Sunday Classic. The San Telmo street fair runs every…