https://pokemongolive.com/pl/post/secret-side-of-poland-awaits-2022/Translation:
>"Now is the perfect time to explore or return to the world of Pokémon GO! Today we are pleased to present an advertising campaign entitled "The secret face of Poland is waiting to be discovered". We encourage both new and returning Trainers to explore Poland with Pokémon GO - with friends and family!"Bonuses:
>Balloons will bring you sponsored gifts>A free box will be available in the in-game store>"You will receive Timed Research "Old Friends, New Beginnings", which will help you reconnect with some of your favorite first Pokémon partners!""[A] real hot air balloon will appear in August over selected cities in Poland:"
>August 24-25: Włocławek>August 25-26: Grudziadz>August 26-27: LegnicaDon't remember if anyone from Poland checks this general, just thought I'd post it just in case.