Staff members work at the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12.[Photo/Xinhua]

A staff member works at the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12.[Photo/Xinhua]

Staff members work at the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12. [Photo/Xinhua]

A TV journalist reports at the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12.[Photo/Xinhua]

Participants look through the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12.[Photo/Xinhua]

Staff members work at information desk at the conference hall of 2014 New Leaders Meeting of the World Economic Forum in Meijiang Convention and Exhibition Center in Tianjin, North China, Sept 9, 2014. The New Leaders Meeting, also known as the Summer Davos forum, will be held in Tianjin from Sept 10 to 12. [Photo/Xinhua]