To conserve on land usage, an elementary school in Tiantai, Zhejiang province, built a 200-meter running track on the roof of its school building.

The students of No 2 Elementary School of Tiantai Chicheng district started using the track on Monday. The school has about 1,800 students.

Qiu Tianguo, the school's principal, said the track, on top of a four-story, oval teaching building, provides more than 3,000 square meters of space for students to play and exercise.