New York City ARMY flash mob on Fifth Avenue! 🗽#IDOLCHALLENGE @BigHitEnt @BTSNewYorkCity #BTSNYC pic.twitter.com/qpfRGmqlvA
— BTS NYC (@BTSNewYorkCity) September 1, 2018
Because dancing alone is not fun, a slew of ARMYs, the group's fans, gather on Fifth Avenue to do a flash mob to the song from their favorite.