China Shandong Rongcheng Swans

Whooper swans fly over a swan nature reserve in Rongcheng City, east China's Shandong Province, March 5, 2013. With the temperature rising, swans have begun leaving Rongcheng where they spent the winter.

Whooper swans fly over a swan nature reserve in Rongcheng City, east China's Shandong Province, March 5, 2013. With the temperature rising, swans have begun leaving Rongcheng where they spent the winter.

Whooper swans are seen at a swan nature reserve in Rongcheng City, east China's Shandong Province, March 5, 2013. With the temperature rising, swans have begun leaving Rongcheng where they spent the winter.

Whooper swans fly over a swan nature reserve in Rongcheng City, east China's Shandong Province, March 5, 2013. With the temperature rising, swans have begun leaving Rongcheng where they spent the winter.

Whooper swans fly over a swan nature reserve in Rongcheng City, east China's Shandong Province, March 5, 2013. With the temperature rising, swans have begun leaving Rongcheng where they spent the winter.