ancient fortifications reared in the days of war."
We came to a mighty wall, almost a little mountain ridge of rock, carved in quaint style, and flanked with triangular towers, on which still were placed curious engines of war, which appeared worn out by age and falling to pieces.
"They have left these as a memory of past times. We destroy nothing of the works of ancient days; but they are mere curiosities now, useful to remind us of the errors of our ancestors, and to warn us to keep in better paths. How many thousands have been launched into eternity upon and before these walls! But all is over now. War never can return."
We dashed over the ridge, and then along the hanging road, passed over the city on, as it were, a thread of rail. Clusters of towers and thousands of glittering metal roofs, mostly dome-shaped, and curious gardens full of trees of every form, were beneath our feet. Some of the gardens were on the roofs or on the fronts of houses, full of flowers, while between not a few of the towers were massive chains from which hung, here and there, baskets of creeping plants of every hue, which sent their perfume up to us. It was a beautiful scene of
