Officers distribute brochures to raise locals' awareness on the importance of tree planting in Saihan district, Hohhot on March 12. [Photo/nmgnews.com.cn]

The events held in Saihan district included a board exhibition, brochure distribution, and guide interpretation.

Approved by China's National People's Congress in 1981, Arbor Day or Tree Planting Day falls on March 12 in China, during which individuals and groups are encouraged to work in seedling cultivation and tree tending.

Locals read publicity boards concerning tree planting in Hohhot on March 12. [Photo/nmgnews.com.cn]