Dirigibles ruled the skies once. Can they make a comeback?
You might think that the tragic end of the Hindenburg disaster in 1937 marked a clear end to the airship era. The famous footage of the German airship plunging in flames became the overwhelming image of a seemingly doomed technology.
You would be wrong.
For decades, the Goodyear fleet of blimps have been the only working airships most people had a chance of seeing in real life. But a handful of companies are looking to bring back the spectacular dirigibles.
Justin Ling is a journalist based in Toronto.