A guess, not an answer. You'll see what everyone else said.
Machine-generated description — written by an image model, not by a person.
Black-and-white shot of a rowing competition at a stadium-style lakeside venue, featuring tiered concrete seating and a multi-level control tower. Eight-person shells race on calm waters, with spectators lining the banks. Architectural Brutalist elements dominate the background. Likely Eastern Bloc-era, 1960s–1970s.