editorial素材 - HONG KONG - APRIL 22: metro interior in Hong Kong, China on 22 April 2014. The Mass Transit Railway (MTR) is the rapid transit railway system in Hong Kong It is one of the most profitable systems in the world
HONG KONG - APRIL 22: metro interior in Hong Kong, China on 22 April 2014. The Mass Transit Railway (MTR) is the rapid transit railway system in Hong Kong It is one of the most profitable systems in the world