The Cometa (Comet) unit train, running from Santos to São Paulo, crossing the Grota Funda (deep valley) viaduct in the Serra do Mar funicular line, at the 4th step. Note the big buiding with a high stack which contains the steam machinery that pulled and pushed trains along the mountain lines. This photo belongs to the Alberto Henrique del Bianco collection; he kindly sent a copy to the E.F. Brasil site.