The fourth stage of the Swimming World Cup is hold at the Aquatics Palace in Kazan, Russia's Republic of Tatarstan.
- Package: Russia Swimming World Cup
- Categories: Sports
- Location: Kazan, Republic of Tatarstan, Russia
- Event date: 28.10.2021
- Date published: 28.10.2021
- Author: Maksim Bogodvid
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 5445x3546px, 10.9Mb
- Job-ID: 1f3a728885dad7c3