The world's most heavily debated footprints

Get 50% off your first month of KiwiCo at https://www.kiwico.com/stefan with code STEFAN The most important archaeological sites in the entire world, definitely in America. Source of National Park Footage https://www.nps.gov/whsa/learn/nature... Academic sources mentioned in my video: https://www.science.org/doi/10.1126/s... https://www.cambridge.org/core/journa... https://www.science.org/doi/10.1126/s... Huge thanks to my generous patrons   / stefanmilo   Watch my videos Ad free only on Nebula https://go.nebula.tv/stefanmilo