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What’s going on with these ancient Amazon cities!

Sources:
Prümers, Heiko, et al. “Lidar reveals pre-Hispanic low-density urbanism in the Bolivian amazon.” Nature, vol. 606, no. 7913, 25 May 2022, pp. 325–328, https://doi.org/10.1038/s41586-022-04….

Rostain, Stéphen, et al. “Two Thousand Years of garden urbanism in the Upper Amazon.” Science, vol. 383, no. 6679, 12 Jan. 2024, pp. 183–189, https://doi.org/10.1126/science.adi6317.

Šprajc, Ivan, et al. “Origins of mesoamerican astronomy and calendar: Evidence from the olmec and maya regions.” Science Advances, vol. 9, no. 1, 6 Jan. 2023, https://doi.org/10.1126/sciadv.abq7675.

Timestamps:
0:00 Introduction
1:02 Thanks to Betterhelp
2:26 Spanish Accounts
6:22 LIDAR
7:17 Paper 1
11:25 Paper 2
15:19 Paper 3

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