Mexico City's Trolleybus gets an upgrade

Chinese transportation technology has found its way in to the Americas, as their trolley buses can now be found in Mexico's capital city. Powered by overhead lines and running along fixed routes, these vehicles are clean, quiet and comfortable. In Mexico City, modernization of its system included an injection of Chinese technology. CGTN's Alasdair Baverstock tells us more about how these buses are making a difference in Mexico City.