Changing the bogies on the Trans-Mongolian Train, entering China at Erenhot.
There is difference in rail gauge between Mongolia and China. Rather than change trains, they physically change the wheel-sets to Chinese width.
#Mongolia #China #Erenhot #TransMongolian #Travel
(The Trans-Mongolian train goes from Moscow to Beijing, while the Trans-Siberian train goes from Moscow to Vladivostock.)
October, 2009

