Dr. Gerd Baumgarten - Luft- und Flugaufnahmen

Optical phenomena in the atmosphere e.g. scattering on aerosols leads to beautifull scenes when combining with foreground objects.

Noctilucent Clouds

Noctilucent Clouds
are the highest clouds in the earth`s atmosphere, located 82 km above the ground. They are observable by naked eye in the twilight period, and often show the strong wave action in the mesopause region.