I have not pictured the strangest aspect of all. The city was busy with its activities. There seemed no vehicles here. Pedestrians only--moving about their daily tasks. Strange, weird movements! They walked along the streets in easy, graceful leaps. Fifteen feet at a stride. They climbed down into the vegetation; or leaped to a housetop. A man came from a house doorway. It was in the upper story--thirty feet from the street. He stared at us--waved his hand in a gesture of greeting to father and Zetta; then he leaped into the air, over the road, landing in the notch of a tree; and from there dropped soundlessly down out of sight. From other platforms like the one on which we were standing, occasionally a man would take a greater leap. Not far away, there was one high tower, with platform at its top. Beyond it, the upper surface of the forest sloped down to where, half a mile away in that direction, the city ended at the ground level. There were broad fields of loam off there, evidently under cultivation. "Look!" said father. "There's a man climbing the tower--he's going down to the ground-fields." He stood poised on the platform a moment, and then leaped. It was more the sort of leap Zetta had made in Porto Rico. This man spread flaring folds of his leather garment. They hung like wings from his outstretched arms. He sailed horizontally, head first, from the tower top, over the forest slope and landed down on the ground nearly half a mile away. I have seen, in Switzerland, a ski jumper parallel the sloping ground in a leap something like that. "Quite some jumper," Freddie commented. "That is Rowlande," said Zetta to father. "One of Garla's athletes," father explained. "They enjoy sport here--the sail jump is a favorite contest. Over there--" He gestured. "That open area, with the curved line of branches standing up--that's what you might call our stadium." "Graff speaks there to the people to-night," said Zetta. Father did not comment on that. He pointed out where in the distance the vegetation ended, and the open fields began; with other distant patches of jungle here and there; and at the far horizon a purple line of metal mountains. Hulda said: "This is the city, here around the government house. But most of the population lives in the rural section. You can see the houses." Down in the fields were occasional structures like farmhouses. They dotted the distant landscape; and I could see that the other patches of jungle had houses and streets on them, villages like this larger one of Garla. Father said: "You think all our agriculture is down there on the ground level. It isn't. Those pods, for instance--see them?" A street or so away there was what I had thought was a large open square. The vine tops were covered with great brown pods. I saw now, as father pointed it out, that the pods grew everywhere under us in the forest.