the.com/slum
Where cities hide the people they depend on but won't house properly.
means A densely packed, run-down urban area marked by poverty, overcrowding, and neglected housing.
from From 1820s London street slang 'slum,' meaning a room or low haunt, possibly from 'slumber'; later applied to whole impoverished districts.
To slumVerb for rich tourists visiting poverty for thrills.
Global scaleOver a billion people live in slums today.
Reform eraVictorian 'slum clearance' often just relocated the misery.