Fortress of São João da Barra - Credit: Wikimedia Commons
Fortress of São João da Barra - Credit: Wikimedia Commons
The Fortress of São João da Barra do Rio de Janeiro (), commonly known as the Fortress of São João or São João Fort, is a 16th-century star fort in the present-day Urca neighborhood of Rio de Janeiro, erected by Estácio de Sá to protect Guanabara Bay from French invasion., Espaço Cultural: Fortaleza de São João, RJ Read more on Wikipedia
Source: en.wikipedia.org