Xifeng county in Guiyang, Southwest China's Guizhou province, has been devoted to the ecological construction, and has achieved remarkable accomplishements.
The 2021 Big Data Expo will be held in Guizhou province's capital Guiyang on May 26-28.
Guiyang, capital city of Southwest China's Guizhou province, reported some impressive results on March 11, when it released its air quality rankings for the month of February.