House of the Tree in Shenzhen, China, designed by Filippo Gabbiani, Andrea Destefanis &co. The penthouse is duplex, holding the top 48th and the 49th floors of the residential tower. Kokaistudios made something absolutely new for the China real estate market, the non-typical architectural decision makes it marvellous. 616 sq.ft with 3 bedrooms, 3 bathrooms, great living room, private family area on the second floor, and outstanding outside terrace with the swimming pool.