When David and I were on Monhegan Island this summer, we noticed that late in the afternoon, and throughout the evening, we could see tiny specks of jets, with plumed contrails, heading north-east across the broad sky. Night flights to Europe. It’s disturbing to think about what air travel does to the environment, but the streams of clouds left by jets often make great sunsets, as they did on Monhegan. Today the contrails of jets leaving Boston, I assume, fanned out over the fields by my house and caught the late light, an explosion of color as the day flamed away.
Grace Mattern 
a fairview of fairview cemetery
Good one. And what a sunset it was!