A woman wearing a wedding dress is photographed at Monserrate Palace in Sintra October 7, 2014. Sintra became the first centre of European Romantic architecture in the 19th century, which influenced the development of landscape architecture throughout Europe. It was classified as a World Heritage Site by UNESCO in 1995. Its monuments are visited by more than 1.5 million of tourists every year, according to local media. (Photo by Rafael Marchante/Reuters)

A visitor walks inside the initiation well at Quinta da Regaleira in Sintra October 6, 2014. (Photo by Rafael Marchante/Reuters)

Visitors walk by a tunnel at Quinta da Regaleira in Sintra October 6, 2014. (Photo by Rafael Marchante/Reuters)

Visitors take pictures at Pena Palace in Sintra October 14, 2014. (Photo by Rafael Marchante/Reuters)

A visitor walks by the wall at the Moorish Castle in Sintra October 8, 2014. (Photo by Rafael Marchante/Reuters)

A general view of Blazons Hall at the National Palace in Sintra October 21, 2014. (Photo by Rafael Marchante/Reuters)

A man walks by a street in downtown Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A general view of the royal towers at Moorish Castle in Sintra October 8, 2014. (Photo by Rafael Marchante/Reuters)

A newt symbolizing the allegory of the creation of the world is seen at Pena Palace in Sintra October 14, 2014. (Photo by Rafael Marchante/Reuters)

A general view of the Chalet of the Countess of Edla, in Sintra October 21, 2014. (Photo by Rafael Marchante/Reuters)

A sink is seen at Monserrate Palace in Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A visitor walks by a hallway at Monserrate Palace in Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A general view of the chapel at Monserrate Palace in Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A general view of the library at Monserrate Palace in Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A board indicates a market in downtown Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A figure decorates a street in downtown Sintra October 7, 2014. (Photo by Rafael Marchante/Reuters)

A cat cleans itself near the cistern at Quinta da Regaleira in Sintra October 6, 2014. (Photo by Rafael Marchante/Reuters)