5000 series may refer to several types of trains:
Read more about 5000 Series: Chicago Train Type, Japanese Train Types
Famous quotes containing the word series:
“As Cuvier could correctly describe a whole animal by the contemplation of a single bone, so the observer who has thoroughly understood one link in a series of incidents should be able to accurately state all the other ones, both before and after.”
—Sir Arthur Conan Doyle (1859–1930)