Group 1 - The core project "New Six Hundred HUB" will be built on the site of the former Shanghai Six Hundred, featuring a total construction area of approximately 42,500 square meters, with 30 floors above ground and 2 underground, expected to debut around 2028 [1][3] - The project represents a significant upgrade from the previous plan, increasing the construction area from 19,200 square meters to 42,500 square meters, and the total investment amount from 708 million yuan to approximately 1.698 billion yuan [3] - The Xu Jia Hui commercial area has undergone multiple planning adjustments over the past 30 years, transitioning from a traditional shopping hub to a modern commercial and cultural integration space [2][6] Group 2 - The Xu Jia Hui area is characterized by its integration with cultural and tourism resources, enhancing its appeal as a living and travel destination [6][7] - Recent activities, such as the "Sea Style ZIKAWEI·Summer Waltz" series, aim to connect various commercial entities and cultural events, fostering a vibrant community atmosphere [7] - The Xu Jia Hui area is evolving into a complex lifestyle experience space, moving beyond mere sightseeing to encompass shopping, cultural exploration, and recreational activities [6][7]