Group 1 - The article emphasizes the health issues commonly faced during winter, such as colds, coughs, and throat inflammation, and suggests using seasonal herbs and flowers to alleviate these problems [1] - Pine trees are highlighted for their medicinal value, with all parts of the tree considered beneficial, positioning them as a treasure of nature [1]

Core Viewpoint - The article highlights the winter scenery at Xiangtao Park in Nanpi County, Hebei Province, showcasing the integration of evergreen plants to enhance the winter landscape [1][5]. Group 1: Environmental Management - Nanpi County has strategically selected cold-resistant, drought-resistant, and salt-alkali tolerant evergreen trees and shrubs for its parks, ensuring a stable evergreen plant community [5]. - The county employs a combination of biological and physical methods to control pests and diseases, aiming to reduce the use of chemical agents [5]. Group 2: Green Space Development - Currently, over 70 species of trees, shrubs, and flowers have been planted across boutique parks and street corner gardens in Nanpi County, covering a total greening area of more than 1,900 acres [9].