Photo credits

103422448
Avion de ligne
© Sébastien Delaunay, fotolia.de

96085088
Unfall
© VRD, fotolia.de

133847674
Polizeiaufmarsch bei Demonstration in Köln
© kaicologne, fotolia.de

165640196
A fire in the building.
A large smoke cloud from the fire.
© Grigorii Ignatev, fotolia.de

722065915
Fence boarder security.
© Mark Agnor, fotolia.de

1099634960
Aerial view at oil and gas industrial,
Oil refinery plant form industry.
@ zhu difeng, fotolia.de