A black-headed gull (larus ridibundus) swoops in for food at Dianchi Lake in Kunming, capital of southwest China's Yunnan province, Nov 29, 2011. Tens of thousands of black-headed gulls fly to Kunming from Siberia to spend the winter each year since 1985, local media reported. [Photo/Agencies] 

Huang Lianfei, a worker at a metal craft workshop, stands on a ladder as he drills to construct a model robot based on a character from the cartoon "Transformers", in Shenyang, Liaoning province Nov 29, 2011. Inspired by the cartoon, Huang had worked on the model made from discarded automobile parts for about a month. [Photo/Agencies]