The cars are driving on the right side of the road. The signage on the glass doors features Cyrillic script, specifically the word "ЛОКОМОТИВ" (Lokomotiv), which points strongly towards Russia. The architecture of the building is a modern, large-scale sports or transit facility. The climate and sky appear temperate and overcast, consistent with a major Russian city. I am fairly confident this is the Lokomotiv sports complex in a city like Moscow or a similar regional hub.

I suspect this is in Russia, likely Moscow. I am 70% sure.

then: guess