As is well known to participants in the sport of Base Jumping (a mind-bogglingly dangerous activity that involves parachuting from static objects), parachutes have problems when launched from tall buildings.

ECONOMIST: Safety

This sport was developed in 1891 to provide indoor physical activity for the boys in a teacher's gym class.

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The young Mr. O'Hagan, who won the tournament last year and has been playing since he was 14, says he likes the competitive nature of the activity and the quirks of a sport that is still played mostly in bars and basements.

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