Page:Travels in Mexico and life among the Mexicans.djvu/468

 and rocks above them, or as if the giant that fashioned them had bent them outward from the perpendicular face-line of the cliffs when in a state of fusion. They present a mass of hexagonal rocks, showing well the shape of these massive columns.

The bed of the river that flows down toward the barranca is paved with these hexagonal and pentagonal blocks; an old aqueduct leads from the basin to the mills, forming a double arch as it leaps over the river-bed and enters the wall