The problem with very olf though is not supported by "scientific facts", and there are historical accounts if ancient civilizations encountering some type of dinosaurs and other "prehistoric beasts", and reported into current times evenThere does not seem to be a middle ground on this subject.
It is either 6000 years old or Billions of years old. There is no evidence I know of that gives anything other than those two options.
Even "reconstruction" is rooted in a very old earth.