Everyone knows that petroleum comes out of the earth, but the question is how did it get there, and what is it made of? The answer to these questions are given simply and accurately in this animated programme.
As Old as the Hills
11 mins
|
Animation
|
July 15, 1950
Everyone knows that petroleum comes out of the earth, but the question is how did it get there, and what is it made of? The answer to these questions are given simply and accurately in this animated programme.
