You are seeing more open meeting spaces, lounge furniture near circulation spaces and that type of thing.

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There are three gates, and circulation could be aided by keeping some open at some times, and closed at others.

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Typical townhouses in Havana were fitted with grand colonnaded portales (porches) to provide shade and shelter from the tropical weather, and rejas, metal bars, were secured over open window panes to protect against burglaries and allow for a freer circulation of air.

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In the most recent issue of the journal Circulation, researchers published a 600-patient study comparing angioplasty, open-heart surgery, and treatment with medicines.

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Instead, new medical devices allow valves to be fixed or replaced with tiny catheters that are snaked up from the groin, similar to the way stents are implanted in the heart to open clogged arteries when people have heart attacks or pain from a lack of good circulation in the heart muscle.

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The vestibule before it for gathering and circulation is a horizontal rectangular volume, while the front portico is a temple form with open walls (a perfect balance of voids and mass), serving as a transition space from the exterior green to interior enclosures.

WSJ: Prim Grandeur, Elegant Geometries | Charles Bulfinch | Lancaster Meetinghouse | By John Wilmerding