Huang Yongyong and his wife Huang Xiubi are teachers at Nawang Primary School in Debao county, Guangxi Zhuang Autonomous Region. The husband and wife have worked here for 19 years and 30 years respectively. (Compiled by Zhu Dan; Photo: Xinhua)

Located in the mountains, the school only has 23 students. For the sake of the children, they gave up the opportunity to transfer many times, and have devoted themselves to this rural primary school. (Photo: Xinhua)

The couple's daily life is centered around the students. Besides giving classes, they cook lunch for the students and take care of eight residential students who stay at the school at night. (Photo: Xinhua)

"We will stick to our posts as long as the children need us," the husband said. (Photo: Xinhua)

Huang Yongyong (above) and Huang Xiubi (below) take care of students during nap time at Nawang Primary School in Debao county, Guangxi Zhuang Autonomous Region, March 22, 2023. (Photo: Xinhua)