silhouette of a great tree with routes on a light background, ecology and sustainability

branch drawing sketch pattern tree monochrome flower line design plant font circle leaf lighting art twig symmetry silhouette roots light background isolated tree ecology sustainability environmental concept nature sustainable living ecological symbol green environment natural awareness conservation earth-friendly eco-friendly development protection nature#39aph39#s beauty symbolic generative ai leaf vector nature branch plant design art floral forest season black flower drawing decoration spring pattern autumn root element shape ornament