Royal Border Bridge Royal Border Bridge Royal Border Bridge spans the River Tweed between Berwick-upon-Tweed and Tweedmouth in Northumberland, England. It is a Grade I listed railway viaduct built between 1847 and 1850, when it was opened by Queen Victoria. It was designed by Robert Stephenson for the York, Newcastle and Berwick Railway and remains in regular use as part of the East Coast Main Line. Despite its name, the bridge does not span the border between England and Scotland, which is approximately further north. The bridge is long. It is constructed in stone with brick soffits to the arches. It has 28
Parnaíba River Parnaíba River The Parnaíba River () is a river in Brazil, which forms the border between the states of Maranhão and Piauí. Its main course is long and the Parnaíba River Basin covers . The Parnaíba River rises in the Chapada das Mangabeiras range, and flows northeastward to empty into the Atlantic Ocean, being the longest river entirely located within Brazil's Northeast Region. The middle and upper regions of this river are separated by waterfalls, but is otherwise navigable. The fish species richness in the Parnaíba River Basin has traditionally been considered impoverished, but this has been disproven by recent