Discarded bicycles are piled up on a square in Zhengzhou University in Zhengzhou, capital of central China's Henan Province, Feb. 23, 2017. Most of the bicycles were left by students who had graduated from the university. (Xinhua/Li Bo)
Discarded bicycles are piled up on a square in Zhengzhou University in Zhengzhou, capital of central China's Henan Province, Feb. 23, 2017. Most of the bicycles were left by students who had graduated from the university. (Xinhua/Li Bo)