790,000 years ago, it turned out that human beings had set fire on their own

A 2004 survey at the Gescher Benot Jacob archaeological site in northern Israel revealed that humans 790,000 years ago were already living with fire, but the survey at that time relied on natural phenomena to fire. Was thought to have caused.

However, according to a recent study, it was found that human beings 790,000 years ago had set fire on their own. What kind of new things have been discovered this time?

Details are below.
Oddly Enough | Africa --Reuters.com

According to a recent survey, burnt flint was found at the Gescher Benot Jacob archaeological site in northern Israel. No match or lighter was found, but the presence of burnt flint is thought to have caused the fire in some way. In addition, there is evidence that the flame was continuously controlled, and it seems that it is thought that the fire was caused by itself without depending on the natural phenomenon.

Also, since the place where it was discovered was an important route connecting Africa and Europe, it may be evidence that human beings migrated from the African continent to northern Europe. If you had mastered the art of making a fire voluntarily, it seems that you can think about it.