The sudden appearance of a ping pong table in a public park in Dallas is a perfect example of the concept of emergence in cities, according to this post on <em>Pegasus News</em>.
Jun 10, 2011 Pegasus News
New outdoor, publicly accessible ping pong tables are taking hold in New York City, adding an extra element of health and activity to some of the city's public parks.
Apr 5, 2011 The New York Times
Following trends seen in Europe and China, a public park in New York City has installed a ping pong table.
Mar 25, 2011 DNAInfo