Yet the most striking finding is the extraordinary high visa constraints imposed on movement to and from African countries, whether within or outside of the continent, suggesting a high level of reciprocity in visa imposition.
Paul Tucker, the Deputy Governor of the Bank of England who mooted the idea last week to MPs on the Treasury Select Committee, warned the radical move would be "extraordinary", and hopes the constraints to setting negative interest rates would be considered.
So, despite history, geography and culture, there are extraordinary systematic regularities and constraints that transcend the individuality of cities.
The apartment's extraordinary spaciousness seemed to dissolve emotional constraints.
Their conversations, his extraordinary paintings, break open the narrow constraints of her existence, connecting her with the bold, eager girl she used to be, the dreams she long ago folded up and put away.
Our comprehensive analysis reveals the extraordinary manner in which HIV minimizes the constraint of overlapping genes and repurposes that constraint to its own advantage.
This time his mad logic worked: the poorish back-projections of Lolita were replaced by sophisticated matte paintings; the designer, Ken Adam, found not constraints but opportunities; and an extraordinary film was made.
In his portrait of the now-legendary duo and their rocky relationship, Kushner creates a vivid picture of obsession, extraordinary technical skill and creativity pitted against severe hardware constraints, and a gaming industry coming into its own.
This preliminary investigation has evidenced the main advantage of the system, which is the extraordinary reactivity and velocity of response, and the main constraint of the system that relates to its intrinsic instability.
Within the simple constraints of guitar, bass, and drums (and some extraordinary string arrangements) he creates a dense but immediate emotional vessel that cannot be pinned down in any rock, soul, or folk category, or as mainstream or alternative.
