Although other schools have taken part in the ‘sliding’ sports of Bobsleigh, Luge and Skeleton, no school has taken it into competition.
Watch the boys in training:
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The pathologist described the injuries as similar to those usually seen in a car crash.
Unlike in the countryside peregrines have no predators in the city and their numbers are on the rise.
You can help keep an eye out for the capital's worst potholes by reporting them on an interactive map.