Wei Xiaohui spent a month taking pictures of spiral stairs in every college based in Nanjing, capital of east China’s Jiangsu Province. The photo shows the spiral stair in Nanjing Hohai University. /CFP

He found 30 spiral stairs in total and made these photos a collection memorizing campus life. The photo shows the spiral stair in Nanjing University of Finance and Economics. /CFP

Wei believes the spiral stairs stand for a spirit of fighting for dreams and moving forward. The photo shows the spiral stair in Nanjing Xiaozhuang University. /CFP

“Young people can see hopes in the photo. I hope they can overcome every challenge in their lives as each trouble can be a chance for changing,” said Wei. The photo shows the spiral stair in Nanjing University of Information Science and Technology. /CFP

Wei visited 15 colleges and 28 campus in Nanjing, and found 30 spiral stairs at the end. The photo shows the spiral stair in Nanjing University of Posts and Telecommunication. /CFP

The photo shows the spiral stair in Nanjing Pharmaceutical University. /CFP