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)
Tag Archives: air
Air Structure
Contrails dissolve in the morning sky over Frankfurt, Dec.3.
Global Darkening
Fresh and older contrails spread over the otherwise blue sky over Frankfurt, Aug.15, contributing to what is called ‘Global Darkening’. According to scientists, our planet has not only been getting warmer, but also darker. Over the past decades the quantity of sunlight that is reaching the earth’s surface might have reduced by 20 percent due to air pollution and aerosols.