tracking side view shot of group of happy multiethnic kids running on green grass holding hands. diverse children hopping on lawn in park or woodland in slow motion and screaming with excitement - child 個影片檔及 b 捲影像00:24
male doctor of african american ethnicity or nurse giving shot or vaccine to a child age 9 yearold patient's shoulder at hospital or home to vaccination and prevention against coronavirus pandemic together.covid-19 vaccine concept. - child 個影片檔及 b 捲影像00:20