Those were the days of mainly indoor shooting, and only five percent of the film was shot outdoors. I suppose the sets and studio lights needed the girls and boys to be made to look 1 ugly in order to look presentable in the movie. A strict hierarchy was maintained in the make-up department. The chief make-up man made the chief actors and actresses 2 ugly, his senior assistant 3 'second' hero and heroine, the junior assistant the main comedian and so forth. The players who played the crowd were the responsibility of the office boy. (Even the make-up department of the Gemini Studio 4 had an 'office boy')
On the days when there was crowd-shooting, you could see him mixing his paint in a giant vessel and slapping it on the crowd players. The idea was to close every pore on the surface of the face in the process of applying 1 make-up
What does the writer mean by the phrase ‘indoor shooting’ in the first line of the extract?