Flash mob Walters Dance Studio, 5023 Minnesota Ave., participated in a flash mob at Boulevard Drive-in on Friday, Aug. 21. “It was a lot of fun,” said Walters owner Mark Harris. He said live pictures of the dancing were shown on the screen while they were dancing. (Photo by Mark Harris, Walters Dance Studio) Walters Dance Studio, 5023 Minnesota Ave., participated in a flash mob at Boulevard Drive-in on Friday, Aug. 21. “It was a lot of fun,” said Walters owner Mark Harris. He said live pictures of the dancing were shown on the screen while they were dancing. (Photo by Mark Harris, Walters Dance Studio) Walters Dance Studio, 5023 Minnesota Ave., participated in a flash mob at Boulevard Drive-in on Friday, Aug. 21. “It was a lot of fun,” said Walters owner Mark Harris, who is shown dancing in this photo. He said live pictures of the dancing were shown on the screen while they were dancing. (Photo by Jennifer Podor, Walters Dance Studio)