Opening ceremony of 2020 Beijing International Urban Rail Transit Exhibition in Beijing

Photo taken on Oct. 21, 2020 shows the opening ceremony of 2020 Beijing International Urban Rail Transit Exhibition at the China International Exhibition Center, Beijing, China's capital city. The exhibition themed with "Have the Rails, Have the Future" will last for 3 days. Nearly 200 institutions and enterprises exhibited the latest technology and equipment in the field of rail transit. (Chen Xiaogen/Guangming Picture)