The film "plays" with various aspect ratios (false aspect ratio): "cropped" field tends to represent the present, and 16:9 - the past (archive), though apparently the whole storyline is about the past.
The documentary is one of the most expensive Ukrainian documentary films produced, its announced budget is 1 395 229 UHA (over 50 000 USD as of 2021).
Ivan Dziuba dies two days before the beginning of the Russian full-scale invasion into Ukraine at the age of 90. He speaks only a few phrases in the film apparently due to his illness or agility.