震撼！这真的是同一个地方？

Hua Weiguang, a retired teacher from Tongliao, Inner Mongolia autonomous region, is a photography enthusiast. A decade ago, he noticed the arrival of tree planters in Horqin and started to take photos of them. His photos are evidence of the remarkable transformation of the land.

图源：华维光

For the workers fighting desertification, hats, scarves and goggles are basic necessities to protect them from the wind and sand.

There was no way to avoid the brutal summer heat. Workers had to lie down on the ground or curl up in the narrow shade of their cars to cool off. They also had to eat their lunch amid the blowing sands, taking in the grit with their food.

"If we don't fool the tree, it won't fool you. You take it seriously, it does reciprocally. You put efforts to make it live, the tree lives up to your expectation," Chao says.

China's forest resources have increased by over 70 million hectares in the past decade, ranking first in the world. One tree after another, a green Great Wall has been built. Brush by brush, a green field has been painted over the yellow sandy land.