Another fine Animator Expo short by 'Pantema Inverted's Yasuhiro Yoshiura, animated by Studio Rikka & TRIGGER with character designs by 'The Devil is Part Timer's Atsushi Ikariya who also served as animation director.
It's a story about a society of people far far removed from the real world whose leaders are attempting to piece together their past history... Except the documentary footage in their archives may be very misleading...
Head to the link below to see it. Click on 'EN' in the top right corner for an English-subtitled version!