Watch the video. Choose the right statements.

• The citizens have to plant not less than three trees a year.
• The Chinese built the Great Wall of stones to stop the enemies in the past.
• ​​​​​​​The biggest project of tree planting was launched in China.
• ​​​​​​​The desert in the north stopped growing.
• ​​​​​​​Nowadays China's agricultural lands are not farmed intensively. They rent lands in Siberia.