Beijing-based bike-sharing startup Ofo @ofo小黄车官方微博 has co-hosted a concert in Workers’ Stadium with superstars @孫燕姿, @張韶涵, @F.I.R.飛兒樂團, and @王心凌. The concert’s theme aimed to generate awareness about green living. Ofo has recently launched a handful of creative marketing campaigns. Specially designed bikes were released in collaboration with the new Minions movie, and have announced superstar @鹿晗 would be the brand’s ambassador. The hashtag #一鹿ofo轻松骑# has generated 1.06 billion views and 411K discussions on Weibo.