Animal, human, impossible to distinguish. Arranged in spirals and circles, stacked in towers, embedded into the cliffs like fossils that had refused to stay buried. Some still wore clothing, shreds of robes, armor, symbols stitched into fabric that matched the ones from the Vault.
Emma knelt beside one skull, touching its surface gently. "They were like us."
"And they didn't make it," Susan muttered.
"Or they made it somewhere we haven't reached yet," Jude offered.
At the summit, the trees fell away.
They stood on the rim of a wide crater. At its center was a structure, half temple, half engine. Its form was impossible to take in all at once. It shifted as they looked at it, twisting and realigning itself according to rules that didn't belong to three-dimensional space. The same humming tone echoed from its core.
"It's alive," whispered Stella.
"It's aware," corrected Sophie.