the.com/subways
Cities that move beneath the city, so the surface can pretend it's calm.
means Underground urban railways that haul millions of people through tunnels at speeds traffic can only dream of.
from From 'sub' (under) plus 'way' (path), literally 'underground passage'; London's 1863 Metropolitan Railway started it, choking riders with steam in tunnels until electricity rescued everyone's lungs.
Oldest lineLondon's, opened 1863, originally steam-powered.
Busiest systemTokyo moves billions of riders yearly.
Word splitAmericans say subway, Brits say tube.
Mosquito speciesLondon Underground evolved its own.