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

An extra smokes a cigar 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.