A full moon is seen over Dubrovnik, Croatia, on Feb. 19, 2019. (Xinhua/Grgo Jelavic)
A full moon rises on the eastern coast of Singapore on Feb. 19, 2019. (Xinhua/Then Chih Wey)
A full moon appears in the sky over Cairo, Egypt, on Feb. 19, 2019. (Xinhua/Wu Huiwo)
A full moon is seen over Zagreb, capital of Croatia, on Feb. 19, 2019. (Xinhua/Slavko Midzor)
A full moon rises on the eastern coast of Singapore on Feb. 19, 2019. (Xinhua/Then Chih Wey)
A full moon appears in the sky over Cairo, Egypt, on Feb. 19, 2019. (Xinhua/Wu Huiwo)
A full moon is seen over St. Basil's Cathedral on Red Square, in Moscow, Russia, Feb. 19, 2019. (Xinhua/Bai Xueqi)