East of the City of Mexico about twenty-seven miles lies the village of San Juan Teotihuacan. Near this hamlet are traces of a great city covering more than four square miles, and remains of walls and fortifications, a part of the wall that still stands being more than two hundred feet thick and thirty-two feet high. The most marked features of these ruins are the numerous pyramids, great and small, which lie scattered over the plain. Teotihuacan means “City of the Gods,” and doubtless these pyramidal structures were a necessary part of a holy city in the eyes of the race that constructed them, and were mounds of worship. Otherwise why would a race build such great structures at such an infinite cost of labour? The largest of these numerous pyramids is called the “Pyramid of the Sun,” which has a base seven hundred feet square, and a height of one hundred and eight-seven feet. The next largest is the “Pyramid of the Moon,” which is one hundred and thirty-seven feet high, and has a base four hundred and fifty feet square. At a distance the pyramids seem rather insignificant, and their outlines resemble an ordinary steep-sided hill, but on nearer approach they are better appreciated. The comparison with the noted pyramids of Egypt would, at first glance, seem unfavourable, for the vegetation and vines that cover the sides rather hide the pyramidal outline. They were probably higher originally, but the destructive work of man and action of the elements have reduced the size. Recent investigation shows that these pyramids are built in layers of volcanic rock, cement, pottery and sun-dried brick. There are five layers—each layer being a complete pyramid in itself. It is supposed that on the summit of each pyramid was a platform which supported great golden images of the sun and moon respectively, but no vestige of any such image has ever been discovered. If made of gold, and the Spaniards set their eyes on it, it would not have remained long. Authorities differ as to whether the Toltecs, or a race that preceded them, erected these mighty structures. The Mexican government has undertaken the work of restoring the two pyramids, and has appropriated a large sum of money to carry on the work. Several hundred labourers are now engaged in denuding them of the soil and growth of centuries that covers them.