北京城市副中心六环高线公园将分批亮相，2029年整体建成

Core Viewpoint - The construction of the Six Ring High Line Park in Beijing's urban sub-center is set to begin in December 2024, with an overall completion expected by May 2029, aiming to create a world-class park that surpasses the scale of New York's High Line Park [1][3]. Group 1: Project Overview - The Beijing urban sub-center covers an area of approximately 155 square kilometers and is part of the "new wings" of Beijing, alongside the Xiong'an New Area [2]. - The Six Ring High Line Park will span approximately 14 kilometers in length and 300-500 meters in width, covering an area of about 275 hectares [3][4]. - The park aims to integrate historical urban elements such as roads, bridges, and railways, creating a vibrant public space that caters to various community needs [4][5]. Group 2: Design and Features - The park will feature a high-density transportation network, increasing the number of roads from 16 to 23, with an average spacing reduced from 1 kilometer to 750 meters [4]. - A multi-layered slow-moving system will be established, including 7.5 kilometers of pathways for walking, running, cycling, and sightseeing [4]. - The park is designed with six thematic sections: Creative Life, Memory of the Ancient City, Era Hub, Canal Melody, Ecological Living Room, and Ancient and Modern Scroll, each serving distinct community and cultural functions [5][6]. Group 3: Future Development Plans - The construction will follow a phased approach, with the first segment of building construction expected to start by the end of 2025 and road construction in the second half of 2026 [6]. - The overall park is projected to be fully operational by May 2029, enhancing the urban landscape and community engagement in the Beijing sub-center [6].