"Wing of an Oman Air airplane above the clouds, Germany, Europe"

"Large flock of Starlings (Sturnus vulgaris) during an evening flight to the roost, Aventoft, North Frisia, Schleswig-Holstein, Germany, Europe"

"Northern Gannet (Morus bassanus) during the landing, Heligoland, Schleswig-Holstein, Germany, Europe"

"Common Cranes (Grus grus) in flight, during the great annual migration southwards in autumn, near Hertefeld, Nauen, Havelland, Brandenburg, Germany, Europe"

"Eurasian Griffon or Griffon Vulture (Gyps fulvus), adult, in flight, captive, Eifel, Germany, Europe"

"Great Egret (casmerodius albus, Egretta alba) flying during snowfall, North Hesse, Hesse, Germany, Europe"

Airplane taking off, Finkenwerder, Hamburg, Germany, Europe

"ADAC helicopter during a mountain rescue, Spitzingsee, Schliersee, Upper Bavaria, Bavaria, Germany, Europe"

"ADAC helicopter during a mountain rescue, Spitzingsee, Schliersee, Upper Bavaria, Bavaria, Germany, Europe"

Eurowings airplane in flight, Düsseldorf-International Airport, Düsseldorf, North Rhine-Westphalia, Germany, Europe

"Passenger train in winter during snowfall, Grevenbroich, Rhineland, North Rhine-Westphalia, Germany, Europe"

"Eurasian Griffon or Griffon Vulture (Gyps fulvus), adult, in flight, captive, Eifel, Germany, Europe"

An American B-17 Flying Fortress shot down during World War II.

P-47 Thunderbolts attacking German Jagdpanther tanks during World War II.

P-47 Thunderbolts attacking a German Messerschmitt 262 jetfighter.

A pair of German Me 262 jetfighters attacking B-17 Flying Fortress bombers.

P-51 Mustang planes attacking a German Me 262 jetfighter airfield.

Passengers during a flight in airplane, Germany, Europe