A woman, wearing a nylon mask, rests on the shore during her visit to a beach in Qingdao, Shandong province July 6, 2012. The mask, which was invented by a woman about seven years ago, is used to block the sun's rays. The mask is under mass production and is on sale at local swimwear stores.[Photo/Agencies]

Women, wearing nylon masks, walk towards the sea during their visit to a beach in Qingdao, Shandong province July 6, 2012. The mask, which was invented by a woman about seven years ago, is used to block the sun's rays. The mask is under mass production and is on sale at local swimwear stores. [Photo/Agencies]