Every year, lists are made about the largest airports, those with the most traffic, the most beautiful, the most desired by passengers, the most ecological, or conversely, those that show the most negative side of the statistics.

Here is a video showing us much of The secrets of Heathrow to be what it is, a World Airport Reference. It's not just about great infrastructure, but a mechanism where thousands of workers coexist, each with a specific mission, converging on what every airport aspires to: improving the passenger experience.
Enjoy it.
