Dan Lefoka stood outside his house and looked. He looked up. The great blue sky with its giant cumulonimbus clouds—the same blue, the same greatness, the same clouds. He could’ve been standing anywhere in Johannesburg. But he wasn’t. Dan Lefoka drew a breath and pulled his head down, levelling his gaze. Houses. With walls—infant walls. Suggestions. A shadow settled on his mind—something about the...