Add to ORKGDrawing. The sky is blank, the sun shining from high in the sky behind and to the right of Martens' vantage point. The vantage point is perpendicular to that in 14, ie from somewhere on the pathway occupied by the convoy in that picture, and closer to the town. In the midground, the entrance to the town seems to have been cut through a dune or other ridge of soft material, which supports much low vegetation, and stretches across the whole width of the picture to the full height of the town wall, which is just visible behind it here and there, and is some 7m high. In the background, the outlines of rooftops project above the wall, and are depicted only in outline from the left-hand edge to the centre right. In the centre right Montevideo Cat...