Construction workers perform a horse-riding dance in front of their employer's building to raise public awareness about their unpaid wages, on Jan 21, in Wuhan, Hubei province. [Photo/CFP]

Serena Chen, Deputy Manager of Polytron technologies, Inc. displays the prototype of a transparent cellphone in Taoyuan City, northern Taiwan, on Jan 21, 2013. Polytron is reportedly hoping that the phone will be on the market by the end of 2013. [Photo/CFP]