After Chico went into exile in 1969 during the dictatorship in Brazil,the song describes the parting of  friends in the French city of Paris at the Paris-Orly Airport  from which the song gets its name.

construcao - Chico Buarque

Construcao

Joined by the legendary Vinicius de Moraes and Toquinho, and like the true poets they are, the three use their lyrics to paint a picture for the listener of the emotions felt by those departing and those who were left behind.