VOA英语视频：志愿者辛勤清理喜马拉雅山游客丢弃的大片垃圾

Across the scenic Himalayan slopes in India, tourism is booming, bringing economic prosperity to many. But it also has brought tons of trash, prompting scores of volunteers to organize clean-up drives. Anjana Pasricha speaks to a group in the northern hill town of Dharamshala that hopes to raise awareness about preserving the environment while cleaning it up. Camera: Rakesh Kumar.