editorial素材 - Hong Kong, China - November 30, 2015: Businessman with smartphone inside subway train in Hong Kong.With over 150 stations, four million people use it every week. This very efficient system created in 1979 has relieved the unsustainable traffic growth in o
Hong Kong, China - November 30, 2015: Businessman with smartphone inside subway train in Hong Kong.With over 150 stations, four million people use it every week. This very efficient system created in 1979 has relieved the unsustainable traffic growth in o