Excellent rooftop greenery illustration

Quick answer：

Rooftop greenery, also known as green roofs, refers to the practice of creating vegetation on the surfaces of buildings. These green roofs provide environmental, economic, and social benefits such as improved energy efficiency, stormwater management, and enhanced air quality. An 'excellent rooftop greenery illustration' would depict a well-designed green roof system with various plant species and features like water retention systems and biodiversity.