The team has asked a Japanese astronaut to release the 20 cm long planes, made from paper chemically treated to resist heat and water, from the space station.

First of all, because food travels such long distances, we need more planes, trucks and ships to move the food.

Whereas in Paris carriers splurged on single-aisle planes, the rise of long-haul budget carriers could boost sales of wide-bodied craft in the next few years.