Until the 2008 crisis, construction and the financial system had been the great engines of the Spanish economy. Since then, tourism has become one of the most important sectors. In 2019, 12% of the Gross Domestic Product came from the tourism sector. That is why it is a sector that is thoroughly studied in order to protect and improve it. There are many types of tourists and tourism, and that leads researchers to worry about the impact that the arrival of visitors to certain areas can generate. It is necessary to find a balance between the economy and the maintenance of the spaces. Studies in tourism and new technologies have provided many improvements in the sector. For many researchers, one of the most important issues is to reverse our famous sun and beach model and promote inland tourism in a sustainable way.