App to make closed - off parts of Moorish palace accessible to tourists . `` For many years now , we have worked with a model that limits access to a certain number of visitors per day , '' she explained , saying `` Hidden Alhambra , '' is designed to further take the pressure off `` fragile zones . '' App a ` ` sustainable tourism '' development , says World Wildlife Fund . Around two million people visit it each year , says Patronato de la Ciudad . Area to be broadened for tourists and developed for future .
App to make closed - off parts of Moorish palace accessible to tourists . App a ` ` sustainable tourism '' development , says World Wildlife Fund . Around two million people visit it each year , says Patronato de la Ciudad . Area to be broadened for tourists and developed for future .