Yiwu , a Spanish freight train , completed the world 's longest train journey . The 21-day train trip left Spain in November and spanned 30 countries , completing its run in China . The journey was a test run for regular cargo service between China and Spain .
Yixin'ou , a Chinese freight train , completed the world 's longest train journey . The 21-day train trip left China in November and spanned eight countries , completing its run in Spain . The journey was a test run for regular cargo service between China and Spain .