
An absolutely amazing photo essay of the Paris Metro including all the stations you probably know about, many you don't, and some that have not been accessed by the outside world for more than 50 years.
-Sleepycity
One thing though: you can only play the game at night. (If you’re sneaky, you might try changing your system clock to sometime after 6PM)
These 3D stereoviews were made in the late 19th – early 20th century by known Japanese photographer T. Enami.
Normally, stereoviews consist of two almost identical photos and when viewed through a stereoscope, it gives the impression of three-dimensional space.
Now let’s look at these 3D steroviews, but the good thing is, we won’t need any stereoscopes as they are already animated, but the effect is still the same.