Sun dog seen in North China

<p>A sun dog occurred on Sunday in Hulun Buir, North China&#39;s Inner Mongolia Autonomous Region. The splendor lasted for almost three hours.</p><p>A sun dog, also called a mock sun or parhelion, is an atmospheric optical phenomenon appearing in the sky as luminous spots 22 degrees on each side of the Sun and at the same elevation as the Sun. Usually, the edges closest to the Sun will appear reddish. Other colors are occasionally visible, but more often the outer portions of each spot appear whitish.</p><p><span style="color: rgb(127, 127, 127);">(Video: Zhang Cheng; compiled by Xu Zheqi)</span></p>