Zhu Qingzhang hands his adoptive mother Han Fuzhen down the stairs in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang combs his adoptive mother Han Fuzhen's hair at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang watches TV with his adoptive mother Han Fuzhen at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang peels an orange for his adoptive mother Han Fuzhen at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang views old photos with his adoptive mother Han Fuzhen at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang makes dumplings with his adoptive mother Han Fuzhen and his wife at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)

Zhu Qingzhang helps his adoptive mother Han Fuzhen put on her cotton shoes at home in Baotou, north China's Inner Mongolia Autonomous Region, Nov. 27, 2012. An accident left Zhu Qingzhang's adoptive mother Han Fuzhen in a vegetative state in 1975. Since then, Zhu has been looking after his adoptive mother while doing his own job. And all his love for his adoptive mother paid off when Han finally woke up 31 years later. Under the care of 62-year-old Zhu, 86-year-old Han now lives a happy and healthy life. (Xinhua/Liu Yide)