松树林景观，干旱的山坡上生长着几棵松树，天空湛蓝。树枝上可以看到松毛虫的丝巢。

rest landscape with several pine trees growing on a dry hillside under clear blue sky. Silk nests of pine processionary caterpillars are visible on the branches. Mediterranean natural environment with forest pest affecting pine trees. Concept of wildlife, ecology, forest health and invasive insect species

光厂(VJshi)视频提供松树林景观，干旱的山坡上生长着几棵松树，天空湛蓝。树枝上可以看到松毛虫的丝巢。视频素材下载，适用于生物学，有毒废物，野生动物，水污染，毛虫等主题的内容创作。

作者署名：Tatiana Gnuchykh/Getty Images/华夏视觉