Two contrails form the Scottish flag in the blue sky over Frankfurt, Jan.7.
(Anyone having no idea what the “Banner o Scotland” or “Bratach na h-Alba” looks like can find an example of the original at the bottom right corner)
A plane leaves its contrails in the sky over Frankfurt, Dec.3.
Contrails dissolve in the morning sky over Frankfurt, Dec.3.
Couldn’t resist to shoot this one with the half moon over Frankfurt this morning, Aug.29.