ATTENTION @bts.bighitofficial ARMY: #BTS visited the #EmpireStateBuilding today ahead of their @IheartRadio LIVE tonight! Starting at sunset, we’ll be sparkling in purple at the top of every hour for 5 minutes for them & the #BTSArmy! #BTSxNYC 💜✨ . Not in NYC? Visit esbo.nyc/LiveCam to catch the lighting live on Earth Cam!