In Boa Vista, Roraima, Brazil, on the road RR-342.

https://maps.google.com/maps?q=Boa+Vista+-+Roraima,+Brazil&hl=en&ll=3.088127,-60.87939&spn=1.16421,2.113495&sll=1.087581,-60.144653&sspn=4.661566,8.453979&oq=boa+vi&t=h&hnear=Boa+Vista,+Roraima,+Brazil&z=10&layer=c&cbll=3.088127,-60.87939&panoid=0r-j7WIDS8-evJ9l7e-Nkw&cbp=12,117.14,,0,5.91