Why it worked
The video likely gained traction due to its participation in a popular dance trend, the use of trending hashtags, and the relatable content of young people dancing. The synchronized choreography and energetic performance would have also contributed to its shareability.
Summary
Three young women in matching red and white outfits perform a synchronized dance routine outdoors. They are in front of a building with other students visible in the background. The video appears to be a short, casual dance performance.