Lufthansa, unlike almost every other airlne in the world, has been holding on to its old "jumbo jets." What's the reason, and what's next?

If Emirates is the main hold-out for the Airbus A380 Superjumbo, then Lufthansa is the main hold-out for the scheduled passenger Boeing 747 services. Only four airlines continue to operate scheduled passenger services with 747s. The other three are Air ...