Photo taken on March 19, 2020 shows the Potala Palace after a snowfall in Lhasa, southwest China's Tibet Autonomous Region. The snowfall has improved the soil moisture which is conducive to the ongoing spring sowing. (Photo: China News Service/Zhang Wei)

This photo taken on March 19, 2020 shows the beautiful scenery after snowfall in Lhasa, southwest China's Tibet Autonomous Region. (Photo: China News Service/Zhang Wei)

Photo taken on March 19, 2020 shows the Potala Palace after a snowfall in Lhasa, southwest China's Tibet Autonomous Region. The snowfall has improved the soil moisture which is conducive to the ongoing spring sowing. (Photo: China News Service/Zhang Wei)

This photo taken on March 19, 2020 shows the beautiful scenery after snowfall in Lhasa, southwest China's Tibet Autonomous Region. (Photo: China News Service/Zhang Wei)