Read the following passage, find the typos and sick sentences and correct them in the text. (***8 places)

The playground was abuzz with activity at first light, as old people, children and young people came outdoors to exercise. The grandmothers in red sportswear happily danced a fan dance, and beads of sweat hung on the reddened faces of the young men playing basketball. With the exciting music, rows of children doing radio exercises - what a beautiful picture of "national fitness map" ah!