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Giants (living even today) and remains of giants are/have been found from Russia to Sardinia to Peru, Egypt, Iraq, North America - essentially all over the world. Even in China. Ever wondered why the Great Wall of China is so tall and who may have built it, why, and how?

I am not often quoting from Wikipedia, but this excerpt answers your question quite well:

From Wikipedia;

"In the Torah, the Anakim are the descendants of Anak, and dwelt in the south of Canaan, in the neighborhood of Hebron. In the days of Abraham, they inhabited the region afterwards known as Edom and Moab, east of the Jordan river. They are mentioned during the report of the spies about the inhabitants of the land of Canaan. The book of Joshua states that Joshua finally expelled them from the land, excepting a remnant that found a refuge in the cities of Gaza, Gath, and Ashdod. The Philistine giant Goliath, whom David, or Elhanan[6], later encountered, was supposedly a descendant of the Anakim.

[globo] Not just supposedly: there is biblical and extra-canonical, as well as archeological proof. In fact, Goliath had three brothers, also giants, which were eventually killed by the Hebrews.

"The land, through which we have gone to spy it out, is a land that devours its inhabitants, and all the people that we saw in it are of great height. And there we saw the Nephilim (the sons of Anak, who come from the Nephilim), and we seemed to ourselves like grasshoppers, and so we seemed to them." (Numbers 13:32-33, English Standard Version)

The Sumerians called their gods the Anunnaki; Abraham, being the son of an idol manufacturer in the Sumerian city of Ur, could reasonably be expected to have known about these gods, if he existed[7]. Whether via the knowledge of a historical Abraham, or via folk memory that passed down to the Yahwist, the words Anak and its plural (Anakim) could simply be bastardized versions of Anunnaki; this would equate the Nephilim with the Sumerian demigods such as Gilgamesh.

In my current God Waves series on MSP Waves, airing every Sunday from 12 Noon Central, I am going through these questions in detail. I am in the 10th week of the series and estimate I have another ten weeks to go. However, today, I shall air more of the True Legends Conference.