Photo taken on March 23, 2019 shows blooming flowers along the Sijian expressway linking Sinan with Jianhe at Censong township of Jianhe county, Southwest China’s Guizhou province. [Photo/Xinhua]

Photo taken on March 23, 2019 shows blooming flowers along the Sijian expressway linking Sinan with Jianhe at Censong township of Jianhe county, Southwest China’s Guizhou province. [Photo/Xinhua]

Photo taken on March 23, 2019 shows blooming flowers along the Sijian expressway linking Sinan with Jianhe at Censong township of Jianhe county, Southwest China’s Guizhou province. [Photo/Xinhua]