Lello Bookstore (Livraria Lello) - Porto, Portugal117Lello Bookstore (Livraria Lello) - Porto, PortugalLibrary, St. Florian Monastery, Austria - ©Ahmet Ertug120Library, St. Florian Monastery, Austria - ©Ahmet ErtugHospital de la Santa Creu i Sant Pau117Hospital de la Santa Creu i Sant PauCity Hall Station, New York City108City Hall Station, New York CityCasa Jaume Forn, Barcelona117Casa Jaume Forn, BarcelonaFormosa Boulevard Station, Kaohsiung, Taiwan120Formosa Boulevard Station, Kaohsiung, TaiwanInfirmary Bridge, Inverness120Infirmary Bridge, InvernessToledo metro station naples120Toledo metro station naplesBasilica of St Peter and St Paul117Basilica of St Peter and St PaulStaircase, Hôtel Tassel, Brussels - photo credit Amos Chapple96Staircase, Hôtel Tassel, Brussels - photo credit Amos ChappleArts et Metiers Station, Paris96Arts et Metiers Station, Paris