Portugal's voyages of discovery turned the nation into a trading empire. Maps, such as the 1502 Cantino Planisphere, traced a new view of the world. Biblioteca Estense Universitaria, Modena ...

Both maps reveal the great challenge the New World presented to mapmakers ... which set the border between Spanish and Portuguese territories. Portugal could claim lands east of this line ...

Observatório Fotovoltaico, a Portuguese service platform for the solar industry, has developed a free, web-based, interactive map of PV projects in Portugal. Rodrigo Silva, the project leader ...