Tunnel-like covered walkways connecting parking lots to the entry courts of buildings offered a haven for drug deals and muggings.
A quotation in a report last month from Channel NewsAsia, based in Singapore: "So what we're doing is -- elephants have had these migratory routes, basically like islands connecting parks between each other; they've got nowhere to move and people have encroached on them.
Construction in the zones, which will be created by connecting parks, rivers, lakes, highways and low building blocks, will be strictly controlled and obstacles to air flow will be removed over time, said the Xinhua state news agency, citing Wang Fei, deputy head of Beijing's urban planning committee, as saying.
If this is the case, Newmark says, more steps should be taken to protect vulnerable populations in parks and to establish wildlife corridors connecting parks.
To connect park parcels currently separated by busy roads, a land bridge over at-grade tunnels is part of the master plan for transforming Memorial Park in Houston.
The plan also includes a long-overdue rail path that would connect Park Center with the three vertex cities of the Triangle.
Additional services will connect "park and ride" facilities to the monorail and tram hubs.
Mr. Ozyck has for years been a proponent of creating greenways to connect parks around the city, on the model of Frederick Law Olmsted's work in New York City and Boston.
By contrast, San Francisco has just instituted a pioneering program to connect parking meter prices to supply and demand, with prices being adjusted, over time, within a general range of 25 cents to $6 an hour.
"It will connect parks, recreational areas, playgrounds, gardens and cemeteries through green paths", Angelika Fritsch, a spokeswoman for the city's department of urban planning and the environment, tells Guardian Sustainable Business.
Though he worked only for another 12 years after moving to Fairsted and was increasingly troubled by ill health, he completed some major projects there, including the designs for the Emerald Necklace, a five-mile string of connected parks in Boston; for the grounds of the 1893 Chicago World's Fair; and for George Vanderbilt's 120,000-acre Biltmore Estate in Asheville, N.C.
