In pics: Former U.S. first lady Barbara Bush's journey in China

Former U.S. Vice President George H.W. Bush shakes hands with a Chinese worker at Pepsi Cola plant in the Shenzhen Special Economic Zone, October 18, 1985 on the last stop of his six-day China tour. At center is Bush's wife Barbara. Barbara Bush, the wife of former US President George H.W. Bush, died Tuesday at the age of 92. [Photo: AP]