The interior of this modern penthouse in the center of Madrid is designed by Spanish architect HÃ©ctor Ruiz-VelÃ¡zquez. The architect has managed to use every centimeter of available space as efficient as possible. The apartment is only 60 square meter inside but also features awesome 50 square meter terrace. Even though the whole space is designed to be efficient and practical it also has a very pleasant look. It is dynamic thanks to all curved lines that make borders between spaces blur. The lighting system is designed to illuminate all corners of the apartment to make it look more spacious. Using white as the main walls and floors color and help to enlarge the space. The apartment is a great example of how even small living space can be very comfy and look luxurious.