With the prevalent use of photo manipulating software nowadays it has become increasingly hard to distinguish between a real photograph and one that has been tampered with. Which one of the following set of photographs do you think have been photo-shopped? Scroll down to the end to see which ones are authentic and which ones are not.
Planes on window drops

In a millisecond

A split photo

Gradated sunset

Frozen lava

Ship in the mist of San Francisco

They are all real photos