![The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition in the world. In March, he The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition in the world. In March, he](https://c8.alamy.com/comp/2HN5E31/the-professional-firefighter-from-ostrava-czech-republic-miroslav-sin-pictured-on-february-14-2022-is-in-the-gym-is-preparing-for-the-most-demanding-firefighting-competition-in-the-world-in-march-he-will-take-part-in-the-worlds-strongest-firefighter-in-the-usa-ctk-photojaroslav-ozana-2HN5E31.jpg)
The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition in the world. In March, he
![Ostrava, Czech Republic. 14th Feb, 2022. The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition Ostrava, Czech Republic. 14th Feb, 2022. The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition](https://c8.alamy.com/zooms/6/dc0d534c95454befaf50916c9e4e466f/2hn5e8b.jpg)
Ostrava, Czech Republic. 14th Feb, 2022. The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition
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![The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition in the world. In March, he The professional firefighter from Ostrava, Czech Republic, Miroslav Sin (pictured on February 14, 2022, is in the gym), is preparing for the most demanding firefighting competition in the world. In March, he](https://l450v.alamy.com/450v/2hn5e8a/ostrava-czech-republic-14th-feb-2022-the-professional-firefighter-from-ostrava-czech-republic-miroslav-sin-pictured-on-february-14-2022-is-in-the-gym-is-preparing-for-the-most-demanding-firefighting-competition-in-the-world-in-march-he-will-take-part-in-the-worlds-strongest-firefighter-in-the-usa-credit-jaroslav-ozanactk-photoalamy-live-news-2hn5e8a.jpg)