China's rising sands

The video discusses the rapid desertification affecting Dunhuang, a city on the ancient Silk Road, and the measures being taken to combat it. Local officials are implementing water conservation and tree planting strategies. Despite these efforts, desert expansion remains a significant challenge, threatening the livelihoods of farmers and causing substantial economic losses. The Gobi Desert's proximity to Beijing highlights the broader implications of desertification.

What measures are local officials in Dunhuang taking to combat desertification?

• Building more wells

• Reducing farmland and planting trees

• Increasing agricultural activities

• Importing water from other regions

Why is it difficult to restore original vegetation in desertified areas?

• Excessive rainfall

• Lack of sunlight

• Poor soil quality

• Insufficient water supply

What is a major concern for farmers like Ma Yuzhen regarding desertification?

• Increased rainfall

• Loss of land for cultivation

• Abundance of water resources

• Improved soil fertility

How many people are threatened by the advance of the desert?

• 400 million

• 200 million

• 100 million

• 500 million

How close is the Gobi Desert to Beijing?

• 150 miles

• 200 miles

• 100 miles

• 50 miles