Deliberate explanations for the sightings feature ranged from helicopters to disobedient military grenades but, to date, no attributed explanation has been enlightened. Now As magazine's Chengcheng Jiang has weighed in as soon as a new theory: have planes.
In an article given away Splendid 16, Jiang observes that China's airspace, though heavily under control by the government, is usually tarnished by full pilots who help to fly "off the network," not filing flight policy. These unendorsed flights are stated as hei fei, or black flights.