Chapter 13 Kai

The valley looked different in the morning light, sharper and more real, and Elena moved through it slowly, with the filter humming and her hand never far from her tools. The tower's hum drew her on, a heartbeat under the wind, and she followed the water upstream, past the low trees, past the scatter of wild grass, until the valley narrowed and the sound of the machine grew loud enough to feel in her teeth. That was when she smelled the smoke. Wood smoke, clean and warm, the smell of a cookfire. She stopped dead, her pulse hammering, and scanned the slope ahead. Between two leaning trees, a curl of smoke rose from a roof she had almost missed, a structure of salvaged metal and gray timber, built low against the wind. A door stood open. A kettle hung over the fire beside it. Someone lived here. Elena approached with her hands up and her voice as steady as she could make it. "Hello," she called. "I'm not here to cause trouble. I just want to talk." A boy stepped out of the doorway. He was young, seventeen at most, with sun-dark skin and wary eyes, and he held a length of pipe in his hands like he knew how to use it. He looked at her filter, at her coverall, at her clean boots, and his face did a complicated thing she could not quite read. "You're from below," he said. It was not a question. "I am." Elena lowered her hands slowly. "My name is Elena. I'm an engineer. I found this valley a few days ago, and I found the tower, and I wanted to know who keeps it running." The boy studied her for a long moment. Then he lowered the pipe. "My name is Kai," he said. "And I guess you'd better come in." The inside of his home was small and tidy, full of salvaged things arranged with care: a cot, a shelf of jars, a workbench covered in circuit boards and coils of wire. He poured her a cup of something hot that tasted like bark and honey, and he told her his story while the kettle sang. He had been born up here, in the ruins of a city that stood over the next ridge. His people were the children of the last surface dwellers, the ones who had refused to go below when the air turned bad, and they had lived on, generation by generation, in the pockets of air the old machines kept clean. The tower was the last of the Skyseed processors, built in the years after the collapse. It had run on its own batteries for a long time. Then, one by one, the batteries failed, and the tower found another source of power, buried in the earth, and it had been drawing on it ever since. "Our engineers used to say the city below was dead," Kai said. "That the doors were sealed and everyone inside was gone. We stopped checking, after a while. There was enough to do just keeping the garden alive." "The city below is not dead," Elena said. "It's crowded, and it's gray, and it runs on recycled air, and its people are told the surface will kill them in minutes. They don't know about you. They don't know about the green. They don't even know the sky is still there." Kai stared at her. His cup trembled, and he set it down carefully, as if the weight of what she was saying needed both hands. "All this time," he said. "All these years of keeping the garden. And they never once looked up." "They were told there was nothing to see." Elena leaned forward. "That's why I came. I want to bring you down with me. Show them the proof. Show them you exist. I have a friend below who can keep the records straight, and I have a door that still works, and I think, if people see you, if they see the garden, they'll stop being afraid." Kai was quiet for a long time. He looked around the small room, at the jars and the circuits and the careful order of a life built from scraps, and she could see him weighing it, everything he had ever known against the shape of what she was offering. Outside, the wind was picking up, and the light through the doorway had begun to dim. "If I go down there," he said, "and they don't believe me, what happens then?" "Then we come back up," Elena said. "And we keep trying. But I don't think they won't believe you. I think they've just been waiting for someone to tell them the truth." He looked at his hands, calloused and scarred from years of the tower's work. "My grandfather used to say the doors were sealed for a reason. That whatever was down there had chosen the dark, and the dark could keep it." He looked up at her. "He was wrong about a lot of things. But he kept the garden alive. I don't want to be wrong about that." "You're not," Elena said. "You're the proof that he was right to keep it alive. She told him about the city while he made tea, about the dome and the ration lines and the council notices, about her grandmother's blue cloth and the engineer's life she had built among the pipes. He listened the way she had listened to Rosa, without interrupting, and when she finished he was quiet for a long moment. 'It sounds like a careful place,' he said, and she realized she had told him more than she meant to. 'But you left it. You climbed a hundred meters of rust to find a garden. That's not careful. That's brave.' Kai talked about the garden the way she talked about the machines: what had failed last spring, what he had rebuilt, what the tower's rhythm meant in each season. It was the same language, she realized, the same love of things that worked and the same grief when they did not. She had come up here looking for an engineer. She had found a kindred one." The wind picked up outside, and the sky darkened toward the color of old slate. A storm was coming, the first real one she would ever have weathered. Kai stood, pulled a pack from behind the door, and began to fill it. "Then we go now," he said. "Before the sky closes." They moved fast, down the valley and up the slope to the shaft, the wind at their backs and the first cold drops of rain beginning to fall. Kai looked over his shoulder at the tower, once, the way a person looks at a home they are not sure they will see again. Then he followed her down into the dark, into the city that had forgotten him, carrying the whole green world in a pack on his back. ---