A plaque commemorates the Torre de Belém, a 150-foot-tall, 15-story building in Lisbon, Portugal, designed by King Dom Manuel I between 1514 and 1520. It was built in the Manhãnalo style, a style of architecture that was a symbol of the city's cultural heritage. The Torre de Belém was a World Heritage site and a symbol of the city's struggle against the Tagus River.