
Tourists view swans in Yandunjiao Village of Rongcheng City, east China's Shandong Province, Dec. 20, 2015. Thousands of migratory swans from Siberia converged in Rongcheng to spend winter. (Xinhua/Guo Xulei)
Tourists view swans in Yandunjiao Village of Rongcheng City, east China's Shandong Province, Dec. 20, 2015. Thousands of migratory swans from Siberia converged in Rongcheng to spend winter. (Xinhua/Guo Xulei)