Group 1 - The article highlights the vibrant seasonal beauty of Beijing, particularly focusing on the flourishing roses that have become a popular attraction for residents and visitors alike [1] - The cultivation of Beijing roses is a long-term effort, requiring careful selection, hybridization, and years of nurturing to develop resilient varieties suitable for the urban environment [2] - The city's ecological initiatives aim to transform urban spaces into green parks, enhancing residents' quality of life and promoting a deeper connection with nature [2] Group 2 - Beijing's seasonal landscape features a variety of flora, with each season showcasing different plants, contributing to the city's overall aesthetic and vitality [3] - The ongoing greening projects and beautification efforts are part of a broader strategy to create a more livable and attractive urban environment [2][3]