The first three of the six installments were filmed simultaneously.
Two separate story lines were often filmed simultaneously, each in the background of the other, but viewers needed to see both.
Often four or more camera crews filmed simultaneously, which resulted in nearly 200 hours of footage.
Two episodes would be filmed simultaneously by two first-unit companies.
It was also simultaneously filmed as a silent.
This process allowed two episodes to be filmed simultaneously, a process known as "double banking".
The test used 2 cameras filming simultaneously a target meanwhile the pole was submitted to dynamic oscillations.
This enabled several pictures to be filmed simultaneously and ultimately Pinewood achieved the highest output of any studio in the world.
It was filmed simultaneously in English- and German-language versions.
The movie was filmed simultaneously in three different languages (Romanian, Russian and English).