The document discusses several residential high-rise complexes and their use of interactive spaces to foster social interaction among residents. It describes Chintels Serenity in Gurgaon, India which includes a central courtyard, swimming pool, games room, and banquet hall. It also outlines Kanchanjunga Apartments in Mumbai designed by Charles Correa, which features mezzanine floors and terrace gardens to encourage socializing. Finally, it discusses Le Corbusier's Unite d'Habitation in Marseilles, with communal amenities located on the roof such as a running track, club, and pool.