London's Air-Ambulance became Britain's first emergency service to carry blood whenever they're called to an accident. Experience has shown that when soldiers have been seriously injured in battle, an immediate blood transfusion can increase their chances of survival.
Phil Bayles reports now on how the same pricinple will now be applied around the capital.
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Westminster Council also found evidence of rats and contamination of food which risked making customers ill.
The biggest drop in popularity was swimming where almost 250,000 fewer people are taking part in the sport.
The plaster dinosaur skeleton is not considered relevant enough to what is happening to the natural world today.