A futuristic, electric No. 1 bus runs on Chang'an Avenue in Beijing. Beijing's public transportation system is the most efficient in China, according to a report on public transportation among China's bigger cities. It shows that Beijing's buses reached an average speed of 23.14km/h between bus stops in 2018.[Photo: IC]

A futuristic, electric No. 1 bus runs on Chang'an Avenue in Beijing. Beijing's public transportation system is the most efficient in China, according to a report on public transportation among China's bigger cities. It shows that Beijing's buses reached an average speed of 23.14km/h between bus stops in 2018.[Photo: IC]

A bus passes by the Qianmen gate tower in Beijing. Beijing's public transportation system is the most efficient in China, according to a report on public transportation among China's bigger cities. It shows that Beijing's buses reached an average speed of 23.14km/h between bus stops in 2018. [Photo: IC]

Passengers wait for their buses as a double decker passes by in Beijing. Beijing's public transportation system is the most efficient in China, according to a report on public transportation among China's bigger cities. It shows that Beijing's buses reached an average speed of 23.14km/h between bus stops in 2018. [Photo: IC]