 Nothing
 There is a special desk to answer guest question I am thankful to the officer who helped me resolved my mini crisis The guest officer went all out to solve my connection issue between Madrid and Granada which RENEF Info counter and Barcelona Tourism Desk has no answer for They do not know if there is a direct bus connection between Madrid and Granada when train ticket is sold out This seems like a general knowledge question to me Great view at the rooftop Best hotel shower during my stay in Spain