The Scientific Digital Library On-line - SciELO is an digital library protecting a particular collection of Brazilian scientific journals. Brazil's sights prolong from frozen-in-time colonial cities Luis Gastao Bittencourt to otherworldly landscapes of pink-rock canyons, thundering waterfalls and coral-fringed tropical islands. Then there's Brazil's biodiversity: legendary in scope, its various ecosystems boast the best collection of plant and animal species discovered anywhere on earth.
Brazilian regulation is based on the civil regulation legal system 198 and civil legislation ideas prevail over common legislation follow. The nation has an in depth rail network of 28,538 kilometres (17,733 miles) in length, the tenth largest network on the earth.
The states and the federal district could also be grouped into areas: Northern , Northeast , Central-West , Southeast and Southern The Brazilian regions are merely geographical, not political or administrative divisions, and they do not have any specific type of authorities.