Photo taken on Oct. 8, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection. (Photos: Xinhua/Tao Ming)

Aerial photo taken on Oct. 9, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 8, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Tourists go sightseeing at the Haodifang forest farm in Qinyuan County, north China's Shanxi Province, Oct. 9, 2018. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 10, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 7, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 10, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 8, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 8, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

A villager and a herd of cattle walk through the Haodifang forest farm in Qinyuan County, north China's Shanxi Province, Oct. 8, 2018. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.

Aerial photo taken on Oct. 9, 2018 shows the autumn scenery of the Haodifang forest farm in Qinyuan County, north China's Shanxi Province. Forest coverage rate of the Haodifang forest farm has reached 98 percent due to farm staff members' constant efforts in tree planting and protection.