English summary: The Alhambra, a palatial complex founded in the 13th and 14th centuries by the Arab rulers of Granada, remained in obscurity for several centuries after the end of the Reconquista. The Spaniards were the first to "rediscover" the Alhambra in the 18th century, while its foreign visitors made it one of the first tourist destinations in the 19th century. Many of them left precious traces of their visit: writings, photographs...