>>34548

Crest in the upper right corner of the sign should shed light on what government controls the area.

I don't see the "secret" aspect of this with the amount of development indicated in the images.

>>34532

Images appear to be from Canto Grande

Bombinhas - State of Santa Catarina

Brazil

https://

www.google.com/maps/place/Canto+Grande,+Bombinhas+-+State+of+Santa+Catarina,+Brazil/@-27.1937137,-48.5184923,7535m/data=!3m1!1e3!4m13!1m7!3m6!1s0x94d8a6a6f274d185:0xf25e2f1c1cb70fef!2sBombinhas+-+State+of+Santa+Catarina,+Brazil!3b1!8m2!3d-27.1466465!4d-48.5054577!3m4!1s0x94d8a6dd8231324f:0x27507ec98dfeac94!8m2!3d-27.1876355!4d-48.5035765