Group 1 - The concept of "leaving blank" in Chinese art reflects a developmental philosophy that emphasizes sustainable growth and the importance of planning for the future [1][2] - Major cities like Beijing, Shanghai, and Qingdao are designating "blank" land for future development, indicating a shift in development strategies and priorities [1] - The construction of Xiong'an New Area is highlighted as a long-term project that prioritizes ecological preservation and sustainable urban planning, with a current forest coverage rate of 35% [1] Group 2 - The Yangtze River Economic Belt development strategy emphasizes ecological protection over extensive development, leading to improved water quality and biodiversity [2] - Qinghai's Xining Ganhe Industrial Park is focusing on eliminating low-efficiency and high-pollution enterprises while promoting new energy and materials industries, showcasing a commitment to ecological safety [2] - The importance of strategic thinking in development is underscored, advocating for a balance between progress and environmental sustainability [2]