The Great wall of China, 206 BC, at Jinshanling, China.
Siempre fiesta, by Andrés Carretero y Carolina Klocker, 2013, in Madrid, Spain.
Model, by Ultra Architettura, for the Moroccan Pavilion in the Biennale di Venezia 2014, in Venice, Italy.
Brazil Pavilion, by Paulo Mendes da Rocha, 1970, in Osaka, Japan.
Window, Iberê Caramago Foundation, by Álvaro Siza, photo by Fernando Guerra, in Porto Alegre, Brazil.
Milan Train Rails, photo by Soraia Cardoso, 2014, in Milan, Italy.
House of the Infinite, by Alberto Campo Baeza, 2014 , Cadiz, Spain.
The salt mines (lithium deposit) in the Atacama desert of northern Chile.
Detail from stairs of Palazzo EIAR, by Gio Ponti, 1939, in Milan, Italy.
Patronato de casas militares ( Military Housing), by Fernando Higueras, 1967, Madrid, Spain.