@madrid.traveltips: In the heart of Madrid, close to Puerta del Sol, hidden among the busy streets, there’s a tiny door no bigger than your hand… 🐭 Most people walk past it without even noticing. But those who stop and look closer discover something unusual. Behind that door lives Ratón Pérez, a small, silent mouse who comes out only at night. Legend says he visits children while they sleep, collecting their lost teeth and leaving a small gift in return. For over a century, this story has been passed down from child to child… until someone finally gave him a home in the city. Definitely a must see in Madrid. Now you know where to find it. Would you have noticed it? 👀 Save this for your Madrid trip ✈️ Follow for more hidden spots in #Madrid 🇪🇸#hiddengems #visitmadrid #madridtravel #exploremadrid