Sources:
- https://with.mbc.co.kr/m/pr/photo/view.html?idx=56270
- https://with.mbc.co.kr/m/pr/photo/view.html?idx=56220
- https://with.mbc.co.kr/m/pr/photo/view.html?idx=56217
- https://twitter.com/withMBC/status/1609177780545290240
- https://twitter.com/withMBC/status/1609179990930894848
- https://twitter.com/official_kep1er/status/1609223032899522561