Students at Tianjin Nankai High School prepare gifts for students at Zhongwangmiao primary school in the hilly Nanzhao county in Henan. [Photo provided to chinadaily.com.cn]

Senior high school students in the northern municipality of Tianjin have paired up with students from the underdeveloped northern province of Henan to pass on happiness and positive energy.

In a 15-year tradition for Tianjin Nankai High School, the program encourages students to take up voluntary work as a way to enhance students abilities and their social responsibility.

This winter, all 58 students in Class 15, Grade two of the high school sent handmade new year cards, notebooks, letters, cherished books and other gifts to the students in Zhongwangmiao primary school in the hilly Nanzhao county in Henan to encourage their studies.

Students at Tianjin Nankai High School mail the gifts for students at Zhongwangmiao primary school in the hilly Nanzhao county in Henan. [Photo provided to chinadaily.com.cn]

Students at Zhongwangmiao primary school in the hilly Nanzhao county in Henan received gifts from students at Tianjin Nankai High School. [Photo provided to chinadaily.com.cn]