Big Bang is set to launch a global tour in August to mark its 20th debut anniversary, the group revealed during its performance at the Coachella Valley Music and Arts Festival. The group took the stage at Coachella’s Outdoor Theatre in Indio, California, marking its second appearance at this year’s festival following its earlier set on April 12. As the members exchanged ending remarks with the audience, G-Dragon announced the upcoming tour. “Big Bang’s 20th anniversary world tour will begin this