The document provides information about Hotel Porta Fira designed by Japanese architect Toyo Ito. The hotel was constructed in 2008 in Hospitalet del Llobregat, Barcelona, featuring 320 rooms across 24 floors made of concrete and glass plates. Toyo Ito studied at Tokyo National University and is renowned for several notable buildings including Mikimoto Ginza, Tokio library, and the Suites Avenue and Tower Fira buildings in Barcelona.