America's forgotten 'doom loop' city, where $205m skyscrapers are selling for under $4m

St. Louis downtown has become a ghost town - with buildings boarded up and skyscrapers plummeting in value. Major cities like San Francisco have hit headlines amid concerns their urban districts are in the grip of a doom loop - but a new report by the Wall Street Journal revealed that St. Louis' decaying downtown is facing an even worse crisis.