Northern Brazil. khoom ua si raws hnub nyoog thiab hu ua tus yug ntawm 80

Bluetooth, tsim cov ntug dej sib sib zog nqus hauv. Sib cav tias, cov peev txheej thiab kev txuag tswj tau 5,200,000 daim av (21,000 km2) ntawm lub tebchaws.