Exact(45)
It is being called the "urban challenge".
"It's an important challenge, an urban challenge, to work with what we have," he said.
So next year's event, to be held in November, will be called the Urban Challenge.
This is what Mr. McCarthy, the race's creator, likes to call the "dark side" of Urban Challenge.
Compared with those, Mr. Elias said, Urban Challenge is "physically not nearly as demanding, but way more mentally demanding".
The Defense Advanced Research Projects Agency, or Darpa, has invited 53 teams to participate in the event, to be called "Urban Challenge".
Similar(14)
These are, largely, urban challenges.
The main urban challenges of course come in developing-country cities, which are growing very rapidly.
The two mayors are drawn together by common urban challenges, rather than driven apart by rival sovereign interests.
As the most populous city in Africa, life in Lagos can present a number of urban challenges.
We should develop a set of expertise that can be followed around the world, a new movement of urban national parks that are ready to accept urban challenges.
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