These are cookies designed and used for the management, in the most efficient way possible, of the advertising spaces shown to the user, through the advertising service in response to their profile and interests.
Doubleclick: In the case of Google Ad Manager or Google Marketing Platform advertising products, third-party cookies used for advertising purposes may be associated with doubleclick. net or to country-specific Google domains, such as google.com. https://support.google.com/searchads/answer/2839090?hl=en
Convensa, Contratas y Ventas, is the company specialized in railway works of the FCC Group. Throughout its history Convensa has carried out numerous works of a railway nature, both infrastructure and superstructure, in any of the modalities of this means of transport, from the high-speed railway to the metro or the new trams, including the maintenance and renovation of existing lines and the construction of new stations as terminals in large cities.