Leonardo Da Vinci used SECRET TECH to create paintings 🌙

In this video, we cover the hidden tech that was used in creating Renaissance artworks. Was Alchemy involved? or are we looking at the remains of ancient printed artworks using some type of old-world printing device and or painting automata.

New Earth's Video: https://www.youtube.com/watch?v=EBMkVqObOfM

Ref:
http://ru-an.info/%D0%BD%D0%BE%D0%B2%D0%BE%D1%81%D1%82%D0%B8/%D0%BA%D0%B0%D1%80%D1%82%D0%B8%D0%BD%D1%8B-%D0%BB%D0%B5%D0%BE%D0%BD%D0%B0%D1%80%D0%B4%D0%BE-%D0%B4%D0%B0-%D0%B2%D0%B8%D0%BD%D1%87%D0%B8-%D1%81%D0%BB%D0%B8%D1%88%D0%BA%D0%BE%D0%BC-%D1%80%D0%B5%D0%B0%D0%BB%D0%B8%D1%81%D1%82%D0%B8%D1%87%D0%BD%D1%8B-%D1%87%D1%82%D0%BE%D0%B1%D1%8B-%D0%B1%D1%8B%D1%82%D1%8C-%D0%BD%D0%B0%D1%81%D1%82%D0%BE%D1%8F%D1%89%D0%B8%D0%BC%D0%B8/
https://onlinelibrary.wiley.com/doi/epdf/10.1002/anie.201001116