https://egyptindependent.com/aliens-built-the-pyramids/
https://www.smithsonianmag.com/history/ancient-egypt-shipping-mining-farming-economy-pyramids-180956619/
https://books.google.com/books?id=BQMTDQAAQBAJ&pg=PT99&lpg=PT99&dq=obayashi+corporation+pyramids&source=bl&ots=7X62PK1O53&sig=ACfU3U2tgVneb3T4F_q39ffeK_2qnJDXIg&hl=en&sa=X&ved=2ahUKEwjYyqHlp9XnAhUPhHIEHf1ACTQQ6AEwEXoECAkQAQ#v=onepage&q=obayashi%20corporation%20pyramids&f=false
http://ffden-2.phys.uaf.edu/webproj/212_spring_2014/Steven_Cassell/Steven%20Cassell,%20Physics%20212,%20Pyramid%20Web%20Project/Web%20Pages/Construction%20Part%201%20%20Moving%20the%20Blocks.html
https://www.epiceras-ancientegypt.com/how_were_the_pyramids_built.html
https://www.usnews.com/science/articles/2010/01/12/egypt-new-find-shows-slaves-didnt-build-pyramids
http://www.touregypt.net/featurestories/material.htm
https://www.thevintagenews.com/2016/09/06/the-great-pyramid-of-giza-was-once-covered-in-highly-polished-white-limestone-before-it-was-removed-to-build-mosques-and-fortresses/
https://www.express.co.uk/news/weird/940347/Time-travel-speed-of-light-prof-aliens-built-pyramids-UFO
https://www.pbs.org/wgbh/nova/article/who-built-the-pyramids/
https://www.livescience.com/32616-how-were-the-egyptian-pyramids-built-.html
https://harvardmagazine.com/2003/07/who-built-the-pyramids-html
https://www.nationalgeographic.com/history/magazine/2017/01-02/egypt-great-pyramids-giza-plateau/
https://www.memphistours.com/Egypt/Egypt-Wikis/Egypt-Destinations/wiki/Egypt-Pyramids
https://www.bbc.co.uk/newsround/46113215
https://www.history.com/topics/ancient-history/the-egyptian-pyramids
https://science.howstuffworks.com/engineering/structural/pyramid3.htm
https://www.youtube.com/watch?v=wFfBwUrQid4&t=159s