Wang Changshun, chairman of China Southern Airlines, and Robin Li,CEO of Baidu,exchange gifts during a signing ceremony in Wuzhen, Zhejiang province on Nov 17.[Photo by Zhu Xingxin/chinadaily.com.cn]

Leaders from Baidu Inc and China Southern Airlines attend a signing ceremony to confirm the strategic cooperation between the two companies in Wuzhen, Zhejiang province on Nov 17.[Photo by Zhu Xingxin/chinadaily.com.cn]