By Charles Riley @CRrileyCNN November 11, 2015: 6:45 AM ET
40,000 miles of track
India is home to one of the world's largest rail networks. The 162-year-old system boasts more than 60,000 kilometers (40,000 miles) of track, on which 11,000 trains run daily. The train pictured here is operating on the outskirts of New Delhi.