Help the planet from home! With Hyundai, I'm taking part in the #DarkSelfieChallenge. Turn all the lights off and take a selfie with the flash on. Show yourself in the dark to shed light on climate change. #DarkSelfieChallenge #EarthDay #StayHome #HyundaixBTS #NEXO @BTS_twt t.co/hxXZiuKey2