Wang Zhongmin, 78, has managed his second-hand bookstore for more than 30 years in Changchun, capital of Jilin province.

In his 40-square-meter bookstore, there are thousands of antique books, few of which can be found in regular shops.

The books are all carefully arranged by Wang, and some broken ones have even been repaired.

"Even if there are not many customers in my bookstore every day, I will keep it open for those who need antique books," he said. "If I pass away, my son will take over."