Re 1. During the event, use the hashtags #GenshinImpact, #KaedeharaKazuha, and #FanArtContest when posting your original fan art on Twitter, Facebook, or Instagram.
2. All Travelers participating in the event should use the link below to fill out information.
https://forms.gle/2JJhcKPWqk5jMp1Y6
https://twitter.com/GenshinImpact/status/1666293916910383104