
A locomotive (L) passes by a train on the old tracks as it carries out a test run on Kenya's Mombasa-Nairobi Standard Gauge Railway (SGR) on May 25, 2017. (Xinhua/Chen Cheng)

A locomotive (L) passes by a train on the old tracks as it carries out a test run on Kenya's Mombasa-Nairobi Standard Gauge Railway (SGR) on May 25, 2017. (Xinhua/Chen Cheng)