Over 1,000 drones formed a scannable QR code for a video game on its one-year anniversary in Shanghai. The cool video shot on April 17, shows around 1,500 drones forming the characters from a video game named "Princess Connect! Re: Dive" and performing the plot above Huangpu River. A huge scannable QR code was also formed in the sky for visitors to download the video game. The video-sharing website named Bilibili hosted the drone show to celebrate one year anniversary since the Chinese version of "Princess Connect! Re: Dive" launched. The video was provided by local media with permission.