The number

5 Hours

The time 56-year-old Cao Fusheng spent every day during the past month doing physical exercise at Zhongshan Park in Wuhan, Hubei province. Cao, who is about to donate half of his liver to his son who has cirrhosis, wants to reduce the risk of the transplant operation, but he is still having trouble raising the medical fees of more than 300,000 yuan ($48,980), Changjiang Daily reported. His fellow villagers in Huangpi have sent a joint letter to the Wuhan Party committee, asking the public to help the retired veteran, who lost another son several years ago.