Only one scene, in which horses travel across the countryside, was shot outdoors.
It was the first Malayalam film to be shot outdoors.
It was shot outdoors, in front of their building, with a handheld camera.
It had to be shot outdoors because of the huge amount of running water.
Both look better in the few scenes shot outdoors, in natural light.
The film was shot outdoors in what was intended to be an "alien landscape".
When shooting outdoors, cloud cover provides nature's version of a softbox.
It is also the first Western talkie, and the first sound film primarily shot outdoors.
It was the first Sri Lankan movie to be shot outdoors.
The film is almost entirely shot outdoors in the Russian Far East wilderness.