Fechar fronteiras é historicamente difícil (já tentaram várias vezes) | by Mais História, por favor! | Medium
![Satellite view of Eastern South America (with country boundaries). The image shows Venezuela, Guyana, Suriname, French Guiana, Brazil, Bolivia, Paraguay and Uruguay. This image was compiled from data acquired by Landsat satellites Satellite view of Eastern South America (with country boundaries). The image shows Venezuela, Guyana, Suriname, French Guiana, Brazil, Bolivia, Paraguay and Uruguay. This image was compiled from data acquired by Landsat satellites](https://c8.alamy.com/comp/GER0M5/satellite-view-of-eastern-south-america-with-country-boundaries-the-GER0M5.jpg)
Satellite view of Eastern South America (with country boundaries). The image shows Venezuela, Guyana, Suriname, French Guiana, Brazil, Bolivia, Paraguay and Uruguay. This image was compiled from data acquired by Landsat satellites
![Satellite view of the South Region of Brazil (with administrative boundaries and mask). It is composed of the states of Parana, Santa Catarina and Rio Grande do Sul. This image was compiled Satellite view of the South Region of Brazil (with administrative boundaries and mask). It is composed of the states of Parana, Santa Catarina and Rio Grande do Sul. This image was compiled](https://c8.alamy.com/comp/GER0M4/satellite-view-of-the-south-region-of-brazil-with-administrative-boundaries-GER0M4.jpg)
Satellite view of the South Region of Brazil (with administrative boundaries and mask). It is composed of the states of Parana, Santa Catarina and Rio Grande do Sul. This image was compiled
![Object Zero on Twitter: "This is how countries really look in terms of their actual size. https://t.co/meAXEYCr6f" / Twitter Object Zero on Twitter: "This is how countries really look in terms of their actual size. https://t.co/meAXEYCr6f" / Twitter](https://pbs.twimg.com/media/FJMH_5aXoAMOww4.jpg)
Object Zero on Twitter: "This is how countries really look in terms of their actual size. https://t.co/meAXEYCr6f" / Twitter
![Figure 1 from Lista sistemática de arañas (Arachnida: Araneae) de la Reserva Ecológica Costanera Sur (Ciudad Autónoma de Buenos Aires, Argentina), con notas sobre su taxonomía y distribución | Semantic Scholar Figure 1 from Lista sistemática de arañas (Arachnida: Araneae) de la Reserva Ecológica Costanera Sur (Ciudad Autónoma de Buenos Aires, Argentina), con notas sobre su taxonomía y distribución | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/d5840dd075d3d3335e9f0929f4853f29bd0ba553/2-Figure1-1.png)