The art of the ceramic tiles making was brought o Portugal by the Arabs who were ruling Portugal for over 500 years from the early 8th century, until the Portuguese gradually forced the Arabs south, driving them completely in 1249.
The Portuguese developed their own style of ceramic tile decoration, which has a unique flavour.
The Portuguese ceramic tiles created using the traditional process are shinny, beautiful and in a almost perfect conditions for hundreds of years. Here is (ceramic tiles (Azulejos) of the 15th century of the Sintra National Palace, Portugal.
Here is another example of a beautiful panel from the collection of the National Museum of the Azulejo, Lisbon. This panel describes Our Lady of Life, was painted in 1580 by the tile artist Marçal de Matos
The image above is of the walls of Sala dos Brasões (The Room of the Coats of Arms) from around the 18th century- The room is in the Sintra National Palace, Portugal