Not long after it cleared the runway, the jet banked hard to the right, giving her an even better view of the Taiwanese island—Kinmen—as they swung around it in a broad arc, rapidly gaining altitude, and began to head south. Another turn, a few minutes later, brought them on to what she guessed was a southwesterly course. Nothing but ocean was now visible on the plane’s left, but on the right was the whole Chinese mainland, slowly getting farther away from them.