This is tidbits of a posting from brama ~
Ukraine Train Travel has undergone significant improvement in the quality of service in recent years. Train No 11/12 Kiev to Crimea, Kharkov to Kiev and the Lviv to Kiev routs now support renovated modern train services.
Many of the train stations also have a special foriegners ticket booth and whilst some trains may be difficult to book during the peak summer/holiday periods on Friday and Mondays tickets are generally obtainable two to three days in advance if not on the day of intended travel.
And at URL below has photos of these modern railcars.
http://www.parovoz.com/newgallery/?LNG=EN
In the right hand corner area.
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It's a shame there isn't a website like this dealing with travel photos from all over Ukraine, interesting sites etc... Not the standard tourist photos, but unique structures and the people in motion.