volunteer tourists collect trash in garbage bags on summer weekends, participating in activities to reduce marine pollution. - 環境淨化 個照片及圖片檔污染
group of diverse volunteers standing together and cheering on community cleaning day - 環境淨化 個照片及圖片檔社區, 義工, 前後院
diverse volunteers beautifying a common area during a community cleanup day - 環境淨化 個照片及圖片檔社區, 伸出援手, 義工
close-up of hands putting plastic bottles into a garbage bag. picking up trash, recycling, environmental cleaning and environmental protection concept - 環境淨化 幅插畫檔、美工圖案、卡通及圖標插圖, 義工
close up of collected plastic water bottles into a black trash bag in travel destinations in nature. - 環境淨化 個照片及圖片檔義工, 黑人種族
good example: collecting trash, the teenager sets a personal example of an essential social norm caring for nature. - 環境淨化 個照片及圖片檔
