37 Real estate development services; real estate development and construction of public parks and playgrounds; Real estate construction of commercial real estate for the benefit of others, namely, of retail stores, restaurants, hotels, recreational facilities, space for offices, space for commercial purposes, and residential real estate; real estate development and construction services of a real estate project comprising an urban core including office towers, residential housing in the nature of condominiums, and rental apartments, retail stores, restaurants, hotels, retirement homes, recreational facilities and space for community uses, space for commercial purposes, and parkland; Construction of office towers, residential housing in the nature of condominiums and rental apartments, retail stores, restaurants, hotels, recreational facilities, space for community uses, space for commercial purposes, residential properties including residential properties for seniors, and parkland; real estate development and construction of seniors' apartments, retirement residences, independent living units and memory impaired and/or other units established for seniors