Maintenance engineer Du Hanli (1st L) introduces knowledge on diesel locomotive maintenance to Kenyan female train drivers in Nairobi, Kenya, May 17, 2017. Kenya's Standard Gauge Railway connecting Mombasa with Nairobi is going to be inaugurated on May 31 with the country's first female train drivers operating the first passenger train for their President Uhuru Kenyatta. (Xinhua/Sun Ruibo)
