A woman places a plastic duck among thousands of others on the River Thames at Molesey Lock, west of London September 6, 2009.[Xinhua/Reuters]
![A woman places a plastic duck among thousands of others on the River Thames at Molesey Lock, west of London September 6, 2009.[Xinhua/Reuters]](http://images.china.cn/attachement/jpg/site1007/20090908/000bcdb95f1d0c1000de1d.jpg "A woman places a plastic duck among thousands of others on the River Thames at Molesey Lock, west of London September 6, 2009.[Xinhua/Reuters]")