![A super snow moon rises over Chang\'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon\'s orbit is closest to the Earth. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/22/873d2f1b26154042ab100c03c8318191.jpg)
A super snow moon rises over Chang'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon's orbit is closest to the Earth. (Photo/VCG)
![A super snow moon rises over Chang\'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon\'s orbit is closest to the Earth. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/22/c536b00f4d1e4a6e9cc4e196588c2656.jpg)
A super snow moon rises over Chang'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon's orbit is closest to the Earth. (Photo/VCG)
![A super snow moon rises over Chang\'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon\'s orbit is closest to the Earth. (Photo/VCG)](http://www.ecns.cn/hd/2019/03/22/1691b7aff0204b56b8573f35398d3a58.jpg)
A super snow moon rises over Chang'an Avenue, a major thoroughfare in Beijing, March 21, 2019. Sky-watchers received a treat as the final supermoon of 2019 arrived on Thursday, also the Spring Equinox, which signals the equal length of day and night time. A supermoon occurs when a full moon's orbit is closest to the Earth. (Photo/VCG)