Fortress of São Miguel, Luanda, Angola. Author and Copyright Virgilio Pena da Costa. Fortress of São Miguel, Luanda, Angola. Author and Copyright Virgilio Pena da Costa. Posted by: Marco Ramerini in 85 Views This post is also available in: French German Italian Spanish Dutch Portuguese (Portugal) Fortress of São Miguel, Luanda, Angola. Author and Copyright Virgilio Pena da Costa. Marco Ramerini tweet