Go to the blog post Mission to Inner Earth - Is it Really Hollow? While on the site think about these issues:
Is the site trying to sell you something?
What are the author's credentials in geosciences, history, or physics?
Check into the links from the page, do they back up the claims the author makes?
What is the origin of the place Agharta (generally spelled Agartha) mentioned in the blog post?
Compare this account to the article The Truth About Admiral Byrd’s “Bitter Reality” At Earth’s End. What explanations do they give for the same observations?
Try a search in Summon for "operation high jump" OR "operation highjump". Do you find any confirmation for these claims?
In doing a web search for the same topic, what other sites back these claims?
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