2 ms·
not exactly 30 years, the first section of the U-Bahn opened in 1923 and the first section of the Moscow metro opened in 1935 https://en.wikipedia.org/wiki/Ber
by MichaelMoser123 9y ago
not exactly 30 years, the first section of the U-Bahn opened in 1923 and the first section of the Moscow metro opened in 1935
https://en.wikipedia.org/wiki/Berlin_U-Bahn https://en.wikipedia.org/wiki/Berlin_U-Bahn
https://en.wikipedia.org/wiki/Moscow_Metro https://en.wikipedia.org/wiki/Moscow_Metro