The streets get narrower until their names get downgraded from soi (street) to trok (alley), where the canopies from the buildings on one side almost touch the windows on the other.

BBC: Travelling back in time through Bangkok��s Chinatown

Bats has gone back to a fee structure that earns it a positive gross profit, but its spread of two-tenths of a penny per share is still far narrower than what Nasdaq, NYSE and other ECNs get.

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This is why many patients now opt to get their knees, spines and cancer treated in specialty hospitals designed around a narrower set of procedures.

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