Japanese Princess Takamado and Prime Minister Shinzo Abe attend a gala at the Teatro Colon opera house during the opening ceremony of the 125th International Olympic Committee (IOC) Session in Buenos Aires September 6, 2013. [Photo/Agencies]
Geng Jiasheng, 54, a national master technician in the manufacturing industry, is busy working on improvements for a new removable environmental protection toilet, a project he has been devoted to since last year.