A bullet train drives in the fields of south China's Guangxi Zhuang Autonomous Region in October, 2019. (Photo/IC)
A bullet train drives in the fields of south China's Guangxi Zhuang Autonomous Region in October, 2019. (Photo/IC)
A bullet train drives in the fields of south China's Guangxi Zhuang Autonomous Region in October, 2019. (Photo/IC)