'Caveman' saves money for family(3/3)

Shi Zhiyong lives in a cave without doors or windows in Handan, North China's Hebei province, Mar. 2, 2015. Shi, 35, who works as a loader in a logistics company, lives in a natural cave, to save the 100 yuan ($16) he would have spent on rent for his family, in Handan, North China's Hebei province. Shi mails almost all of his 3,000 yuan monthly wage to his family, who thinks he lives in a hotel. (Photo/IC)