The outskirts of Algeria's second city, Oran, are dotted with scores of new high-rise housing blocks that have replaced slums.

ECONOMIST: Why Algeria is still dull and gloomy

Many of these areas are changing or disappearing as high-rise housing and upscale buildings move in and sweep away the old neighborhoods, sparking controversy and discussions about what Rio is and should be.

FORBES: A Week in Brazil, Pt. 1

Louis high-rise public-housing development that went from Great Urban Hope to international disgrace, is an engulfing real-life horror story as well as a testimony to the dominance of the image in American public discourse.

NEWYORKER: The Pruitt-Igoe Myth

The city also tore down high-rise public housing towers and replaced them with garden-style apartments.

FORBES: How Washington D.C. Got Off The Most Dangerous Cities List

Peel's Liverpool Waters plan includes building high-rise buildings housing offices, shops and up to 14, 000 apartments on an area of disused land.

BBC: Liverpool Waters development plans submitted

Citing a "chronic undersupply" of new, high-quality housing, it forecast that from 2011 to 2016, prices in the area would rise 140%.

WSJ: A Diplomatic Breakthrough