Want to do some research for yourself?
Here's some of the places we looked:
Double Headed Serpent
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Double Headed Serpent
- http://www.britishmuseum.org/research/collection_online/collection_object_details.aspx?objectId=663692&partId=1&searchText=double-headed-serpent&page=1
- http://www.dailymail.co.uk/news/article-1216380/British-Museums-Aztec-artefacts-evil-Nazi-lampshades-human-skin.html
- https://en.wikipedia.org/wiki/Double-headed_serpent
- http://guns.wikia.com/wiki/Musket
- https://en.wikipedia.org/wiki/Arquebus
- https://en.wikipedia.org/wiki/Matchlock
- http://www.thefirearms.guide/guns/early-firearm-history
- http://www.nramuseum.org/guns/the-galleries/ancient-firearms-1350-to-1700/case-3-old-guns-in-the-new-world/spanish-matchlock-musket.aspx
- http://www.aztec-history.com/aztec-artifacts.html
- https://en.wikipedia.org/wiki/Bernardino_de_Sahag%C3%BAn
- https://en.wikipedia.org/wiki/Florentine_Codex
- https://www.wdl.org/en/item/10096/
- http://serafinseportfolio.weebly.com/uploads/2/4/6/3/24637367/aztec_architecture.pdf
- https://en.wikipedia.org/wiki/Chapultepec_aqueduct
- http://primaryfacts.com/1733/tenochtitlan-facts-about-the-aztec-capital/
- http://www.ducksters.com/history/aztec_empire/tenochtitlan.php
- http://www.aztec-history.com/ancient-aztec-weapon.html
- http://thetexcocopeopleoftheaztecera.weebly.com/weapons.html
- http://www.legendsandchronicles.com/ancient-weapons/aztec-weapons/
- https://www.google.ca/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=long%20bow%20length
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