Volunteers from all over China came to Minqin county's Zhonglin ecological public welfare forest base to participate in voluntary tree-planting activities. | Collector
China.org.cn
Volunteers from all over China came to Minqin county's Zhonglin ecological public welfare forest base to participate in voluntary tree-planting activities.
Volunteers from all over China came to Minqin county's Zhonglin ecological public welfare forest base to participate in voluntary tree-planting activities.
China.org.cn