sentences:  At thirteen Edelstein went with Ortiz and some other boys on the long trip to Buenos Aires, taking the boat that crossed the river Paraná before the tunnel was built, to Teatro San Martin to see a work of John Cage and Merce Cunningham.Both the experience and the memory of it are like an extraordinary dream where Edelstein remembers dancers with mirrors, intense conversation with Ortiz, and the cultural thrill of being in Buenos Aires for the first time.Edelstein says that the sensation of being in the house of Ortiz was like being in another river, with incredible labyrinthic connections to the whole world through time and space.