Clarkesworld Magazine - Science Fiction & Fantasy : The Wings of Earth by Jiang Bo
Jiang Xiaoyu didn’t move. “Time to ratchet things up a notch.” Max didn’t seem to have noticed Xiaoyu’s trepidation. “We can’t let your trip be in vain. Now then, down on Earth, you might try to jump the last three steps of a staircase. via Pocket