We cross Quebrada de Humahuaca (Humahuaca ravine) to reach La Puna region and there we visit the historic town named Yavi, main church altar laminated in gold, Marques de Tojo House and Hydraulic Mill in Historic District. Then we run through the village of Yavi and climb to the formation of the 8 brothers to visit the petro glyphs in Laguna Colorada. Returning we know La Quiaca city.