Diwa Reservoir in the Mission Park is the scene saw a mirage of a group of students at Nankai University in China. This month on the 16th afternoon, they went to look at the Mission Park Sag Reservoir when captured birds this picture. From them in the back of this photograph, can clearly see the Tianjin TV Tower, in the days around the tower also erected. Vertical profile irregularity of assorted buildings, but the scene was too vague, unable to identify what other buildings in the end.

According to Yang, students at the scene said the weather very good day, can see the blue sky with white clouds, but the clouds looked very thick and the sun was bright, from the edge of the reservoir, almost feeling no wind, many of them students holding the camera fly into the sky photographed many birds.