A journalist experiences a shared bike at Beijing Exhibition Center, in Beijing, capital of China, Oct. 16, 2017. Journalists from a number of developing countries visited an exhibition displaying China's outstanding achievements over the past five years here on Monday. (Xinhua/Zhang Yuwei)

A journalist shoots video of a demonstration of Digital Palace Museum at Beijing Exhibition Center, in Beijing, capital of China, Oct. 16, 2017. Journalists from a number of developing countries visited an exhibition displaying China's outstanding achievements over the past five years here on Monday. (Xinhua/Zhang Yuwei)

Journalists look at a model of the Five-hundred-meter Aperture Spherical Telescope (FAST), the world's largest single-dish radio telescope, at Beijing Exhibition Center, in Beijing, capital of China, Oct. 16, 2017. Journalists from a number of developing countries visited an exhibition displaying China's outstanding achievements over the past five years here on Monday. (Xinhua/Zhang Yuwei)

Journalists sitting inside a simulated cabin of the Fuxing bullet train at Beijing Exhibition Center, in Beijing, capital of China, Oct. 16, 2017. Journalists from a number of developing countries visited an exhibition displaying China's outstanding achievements over the past five years here on Monday. (Xinhua/Zhang Yuwei)

A journalist shoots a model of the Fuxing bullet train at Beijing Exhibition Center, in Beijing, capital of China, Oct. 16, 2017. Journalists from a number of developing countries visited an exhibition displaying China's outstanding achievements over the past five years here on Monday. (Xinhua/Zhang Yuwei)