PISA, ITALY - AUGUST 21, 2014: passengers deplane Ryanair Jet airplane after landing in Pisa airport, Italy.

- Image ID: EXXDF9
Eddy Galeotti / Alamy Stock Photo
Image ID: EXXDF9
PISA, ITALY - AUGUST 21, 2014: passengers deplane Ryanair Jet airplane after landing in Pisa airport, Italy. Ryanair is the biggest low-cost airline company in the world.