Pitt appears during the filming of 'World War Z' in Glasgow

Director Marc Forster (C) walks on set during the filming of "World War Z" in Glasgow, Scotland August 17, 2011.[Photo/Agencies]

Specials

US Vice-President Joe Biden visits China August 17-22.

Li Xing, China Daily's assistant editor-in-chief and veteran columnist, died of a cerebral hemorrhage on Aug 7 in Washington DC, US.

Robots are not new to industrial manufacturing. They have been in use since the 1960s.