Dec 29 2021

Documentary

In olden days Educated people can sit at home and knew many things about the world. This knowledge was from reading books.
But, now television is everywhere. News a minute ago in China can be transited in next minute to Africa.
Many important knowledge, we can see from documentary which were filmed for a particular subject or a particular place.
To take a good documentary, they had to spend huge amount of dollars and years of time to complete a successful film.
More worst, they might sacrifice of their lives on some accession, especially on the unknown mountain and uncivilized tribes.
Of course, to travel to see by ourselves shall have more enjoyed. But, it is impossible for everybody, since we do not have time and money.
Therefore, it is better to enjoy the documentary at home. In one hour, we can travel around the world. On one hour, we can learn things of the world which will cost our whole life if we do travel by our own in person.