How about another metro line? This time, the Moscow Metro Line 4 (Filovskaya Line). The line is 9.3 miles long, with most of it being above ground. The rolling stock would include the classic Soviet 81-717/81-714, and the ultra modern 81-765/766/767, both built by Metrovagonmash. Moscow Metro 81-765/766/767 Image Source: Wikimedia Commons (above and below) Moscow Metro 81-717/81-714 Image Sources: Wikimedia Commons, Wikimedia Commons
