“Life on Our Planet.”

Fact: 99% of all the species that have existed no long do. There have been four mass extinctions where a majority of the existing species go extinct, and there have been many more minor ones.

For a dominant species to go extinct, that would be necessitated by the earth changing its condition in some way that cuts off something vital to the survival of that species. For humans, that would be our oxygen supply.

That there has been four mass extinctions tells me there will be a fifth. That would be ours.

Roman Triumphs