![](http://www.ecns.cn/hd/2023/03/21/2c4cdb2a1ec0498b917f5c94d8fbc228.jpg)
A solar halo appears in the sky in Lhasa, southwest China's Tibet Autonomous Region, March 20, 2023. (Photo: China News Service/Li Lin)
![](http://www.ecns.cn/hd/2023/03/21/ae5f7b2217e84e74a940ba809dc89225.jpg)
A solar halo appears in the sky in Lhasa, southwest China's Tibet Autonomous Region, March 20, 2023. (Photo: China News Service/Li Lin)
![](http://www.ecns.cn/hd/2023/03/21/827be135026e437eaecb7d1fcdc5a6b8.jpg)
A solar halo appears in the sky in Lhasa, southwest China's Tibet Autonomous Region, March 20, 2023. (Photo: China News Service/Li Lin)