BTS performed live for the first time in nearly four years.
The concert was streamed live on Netflix, attracting global viewers.
Fans gathered in large numbers to celebrate the group's return.
Strategic angle: The South Korean K-pop band BTS has returned to the stage after a nearly four-year break, captivating huge crowds at a massive free concert.
BTS performed live for the first time in nearly four years.
The concert was streamed live on Netflix, attracting global viewers.
Fans gathered in large numbers to celebrate the group's return.