摘要
Sun Haijing,an employee in the after-sales service department of CRRC Corp.Ltd.,the world's largest supplier of rail transit equipment,reflected on his experiences in Brazil as he rode Line 13-Jade from Guarulhos Airport this summer.Five years ago,he was present at the line's inauguration,at which the station platform buzzed with energy,packed with people capturing the moment with cameras and camcorders.
