If you live just outside Paris, in particular in the Essonne, this sort of sky is probably familiar to you. The vapour trails are caused by airliners serving Paris’ two main airports, Orly & Roissy Charles de Gaulle.
In fact all the stacking, thats to say, aircraft waiting to head to either airport is all now right over the Essonne, where this photo was taken. Understandable that this should happen for Orly as it isn’t that far away, but Roissy is right across the other side of Paris.
Still… it makes for a spectacular skyscape.
This photo was taken late afternoon today between Mennecy and Fontenay-le-Vicomte. A nice distraction from going to get my son from school.