Russia's Oleg Kostin competes during the swimming men's 50m butterfly semifinal competition at the World Aquatics Championships, in Gwangju, South Korea.
- Package: South Korea Swimming Worlds
- Categories: Sports
- Location: Gwangju, South Korea
- Event date: 21.07.2019
- Date published: 21.07.2019
- Author: Alexander Vilf
- Source: Sputnik
- Credit: Sputnik
- Original: Digital
- Media: JPEG, 3500x2106px, 3.4Mb
- Job-ID: c92f5ae5d625d664