EmperorTigerstar | The Hidden Maps on Brazil's Flag @EmperorTigerstar | Uploaded November 2022 | Updated October 2024, 11 hours ago.
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Brazil has a famous flag design, but there are a lot more details than you would notice at first glance.
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Sources:

Duarte, Paulo Araújo. "Astronomia na Bandeira Brasileira". Universidade Federal de Santa Catarina.
Seysell, Ricardo. "Um estudo histórico perceptual: A Bandeira Brasileira sem Brasil". Universidade Estadual Paulista.

Music used:
"Suvaco do Cristo" and "Sneaky Snitch" by Kevin Macleod
found at incompetech.com