now parents-child campaign is very hug in a big city。so the roller skating sport as a youth and exciting game,numerous young parents let then child jion this campaign。so today，l will tell some popularization of science about roller skating。
Before 17 century,the roller skating came up this world。by Dutchmam english people.he hope to play roller skating insummer as like winter.indeed,by this funny reason. a wood roller skating was borned this county. as the same year， he organized the first club of roller skating in Edinburgh .
roller skating not only as a leisure sport, but also form professional campaign event。by roller skating sport gradually become perfection，now ，some exercises is already take shape. at present,we indeed can see shadowof raller skating in Olympic game.…
roller skating
Modern roller skating campaign divide into figure roller skating,speed roller skating，roller skating ball，and extremely roller skating，free roller skating and so on five big campaigns
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