"They knew beauty," Zeeth said. "They have certain senses we do not have. You will see...."

From the exact center of the city a tower rose, smooth and shining as metal. It reached to the transparent dome and seemed to rise above it, into the clouds of Venus.

"What's that?" Vanning asked, pointing. "Their temple?"

Zeeth's voice held irony. "Not a temple—a trap. It is the tube through which they blast the spores of the North-Fever into the sky. Day and night without pause the virus is blown upward through that tube, far into the air, where it is carried all over the planet."

The air was darkening, thickening. Here and there rainbow lights sprang into view. Elfin fires in an enchanted world, Vanning thought.

Through the grotesque city equally grotesque figures moved, to be lost in the shadows. The monsters who ruled here—ruled like soulless devils rather than gods.

"Come. We must hurry." Zeeth tugged at Vanning's arm.

Together they went down the ramp into one of the winding avenues. It grew darker, and more lights came on. Once Vanning paused at sight of a corroded metal structure in the center of a well-lighted park.

"Zeeth! That's a space-ship! A light life-boat—"

The Venusian nodded. "And it is well guarded, too. It crashed through the dome a century ago, I was told. All the men in it were killed. A space-wreck, I suppose."