A worker paves sand barriers between photovoltaic panels to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. Recently, people here resumed their work to pave sand barriers for more than 11,000 mu (some 733 hectares) of Kubuqi desert to fix the sands, preparing for the plantation of psammophyte. (Xinhua/Xu Qin)

A worker paves sand barriers under photovoltaic panels to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Liu Lei)

A worker paves sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Liu Lei)

Aerial photo shows workers paving sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020.(Xinhua/Liu Lei)

Workers transport reeds used to pave sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Liu Lei)

Workers pave sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Xu Qin)

Vehicles transport reeds used to pave sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Liu Lei)

Aerial photo shows workers paving sand barriers to prevent and control desertification in Kubuqi desert in north China''s Inner Mongolia Autonomous Region on March 13, 2020. (Xinhua/Xu Qin)