concrete canyon

concrete canyon (plural concrete canyons)

1. A space or street surrounded by skyscrapers.
   • 2007, Neil Wilson, Prague:

     Take the metro to Háje at the end of line C for a stroll among the concrete canyons.

   • William P. Hammond, 911 tribute poem at ipsna.com:

     Concrete Canyons are but now spacious sky,

     Her children weep for the parents who died.

2. A narrow street circuit surrounded by concrete walls.

• concrete jungle