Upon seeing a guest returning from a run, a doorman outside radios in so that just as he crosses the threshold, the runner is greeted with a bottle of water and a hand towel.

WSJ: Made Better in Japan

Some observers date the rise in religious observance back even further, to the 1980s, when guest workers in Saudi Arabia from across the Muslim world began returning to their own countries, re-importing with them the strict Wahhabi subsect of Islam for which the desert kingdom is known.

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